diff --git a/.gitmodules b/.gitmodules
index 9ad207a0d5226..b5250d493864e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -33,7 +33,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/18.1-2024-05-19
+	branch = rustc/19.1-2024-07-30
 	shallow = true
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index 4cdd8af1008c0..2ff7335a0fc81 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -1555,7 +1555,7 @@ LLVMRustGetInstrProfMCDCTVBitmapUpdateIntrinsic(LLVMModuleRef M) {
 
 extern "C" LLVMValueRef
 LLVMRustGetInstrProfMCDCCondBitmapIntrinsic(LLVMModuleRef M) {
-#if LLVM_VERSION_GE(18, 0)
+#if LLVM_VERSION_GE(18, 0) && LLVM_VERSION_LT(19, 0)
   return wrap(llvm::Intrinsic::getDeclaration(
       unwrap(M), llvm::Intrinsic::instrprof_mcdc_condbitmap_update));
 #else
diff --git a/src/llvm-project b/src/llvm-project
index c54cff0e6e4d1..57ae1a3474057 160000
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit c54cff0e6e4d1a0d0a2df7c1ce3d96cdd554763e
+Subproject commit 57ae1a3474057fead2c438928ed368b3740bf0ec
diff --git a/tests/coverage/mcdc/condition-limit.cov-map b/tests/coverage/mcdc/condition-limit.cov-map
index b4447a33691ad..b565353572a74 100644
--- a/tests/coverage/mcdc/condition-limit.cov-map
+++ b/tests/coverage/mcdc/condition-limit.cov-map
@@ -1,5 +1,5 @@
 Function name: condition_limit::bad
-Raw bytes (204): 0x[01, 01, 2c, 01, 05, 05, 1d, 05, 1d, 7a, 19, 05, 1d, 7a, 19, 05, 1d, 76, 15, 7a, 19, 05, 1d, 76, 15, 7a, 19, 05, 1d, 72, 11, 76, 15, 7a, 19, 05, 1d, 72, 11, 76, 15, 7a, 19, 05, 1d, 6e, 0d, 72, 11, 76, 15, 7a, 19, 05, 1d, 6e, 0d, 72, 11, 76, 15, 7a, 19, 05, 1d, 9f, 01, 02, a3, 01, 1d, a7, 01, 19, ab, 01, 15, af, 01, 11, 09, 0d, 21, 9b, 01, 9f, 01, 02, a3, 01, 1d, a7, 01, 19, ab, 01, 15, af, 01, 11, 09, 0d, 11, 01, 14, 01, 03, 09, 20, 05, 02, 03, 08, 00, 09, 05, 00, 0d, 00, 0e, 20, 7a, 1d, 00, 0d, 00, 0e, 7a, 00, 12, 00, 13, 20, 76, 19, 00, 12, 00, 13, 76, 00, 17, 00, 18, 20, 72, 15, 00, 17, 00, 18, 72, 00, 1c, 00, 1d, 20, 6e, 11, 00, 1c, 00, 1d, 6e, 00, 21, 00, 22, 20, 6a, 0d, 00, 21, 00, 22, 6a, 00, 26, 00, 27, 20, 21, 09, 00, 26, 00, 27, 21, 00, 28, 02, 06, 9b, 01, 02, 06, 00, 07, 97, 01, 01, 01, 00, 02]
+Raw bytes (204): 0x[01, 01, 2c, 01, 05, 05, 1d, 05, 1d, 7a, 19, 05, 1d, 7a, 19, 05, 1d, 76, 15, 7a, 19, 05, 1d, 76, 15, 7a, 19, 05, 1d, 72, 11, 76, 15, 7a, 19, 05, 1d, 72, 11, 76, 15, 7a, 19, 05, 1d, 6e, 0d, 72, 11, 76, 15, 7a, 19, 05, 1d, 6e, 0d, 72, 11, 76, 15, 7a, 19, 05, 1d, 9f, 01, 02, a3, 01, 1d, a7, 01, 19, ab, 01, 15, af, 01, 11, 09, 0d, 21, 9b, 01, 9f, 01, 02, a3, 01, 1d, a7, 01, 19, ab, 01, 15, af, 01, 11, 09, 0d, 11, 01, 15, 01, 03, 09, 20, 05, 02, 03, 08, 00, 09, 05, 00, 0d, 00, 0e, 20, 7a, 1d, 00, 0d, 00, 0e, 7a, 00, 12, 00, 13, 20, 76, 19, 00, 12, 00, 13, 76, 00, 17, 00, 18, 20, 72, 15, 00, 17, 00, 18, 72, 00, 1c, 00, 1d, 20, 6e, 11, 00, 1c, 00, 1d, 6e, 00, 21, 00, 22, 20, 6a, 0d, 00, 21, 00, 22, 6a, 00, 26, 00, 27, 20, 21, 09, 00, 26, 00, 27, 21, 00, 28, 02, 06, 9b, 01, 02, 06, 00, 07, 97, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 44
@@ -48,7 +48,7 @@ Number of expressions: 44
 - expression 42 operands: lhs = Expression(43, Add), rhs = Counter(4)
 - expression 43 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 17
-- Code(Counter(0)) at (prev + 20, 1) to (start + 3, 9)
+- Code(Counter(0)) at (prev + 21, 1) to (start + 3, 9)
 - Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 3, 8) to (start + 0, 9)
     true  = c1
     false = (c0 - c1)
@@ -88,7 +88,7 @@ Number of file 0 mappings: 17
     = (c8 + ((((((c2 + c3) + c4) + c5) + c6) + c7) + (c0 - c1)))
 
 Function name: condition_limit::good
-Raw bytes (180): 0x[01, 01, 20, 01, 05, 05, 19, 05, 19, 52, 15, 05, 19, 52, 15, 05, 19, 4e, 11, 52, 15, 05, 19, 4e, 11, 52, 15, 05, 19, 4a, 0d, 4e, 11, 52, 15, 05, 19, 4a, 0d, 4e, 11, 52, 15, 05, 19, 73, 02, 77, 19, 7b, 15, 7f, 11, 09, 0d, 1d, 6f, 73, 02, 77, 19, 7b, 15, 7f, 11, 09, 0d, 10, 01, 0c, 01, 03, 09, 28, 00, 06, 03, 08, 00, 22, 30, 05, 02, 01, 06, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 52, 19, 06, 05, 00, 00, 0d, 00, 0e, 52, 00, 12, 00, 13, 30, 4e, 15, 05, 04, 00, 00, 12, 00, 13, 4e, 00, 17, 00, 18, 30, 4a, 11, 04, 03, 00, 00, 17, 00, 18, 4a, 00, 1c, 00, 1d, 30, 46, 0d, 03, 02, 00, 00, 1c, 00, 1d, 46, 00, 21, 00, 22, 30, 1d, 09, 02, 00, 00, 00, 21, 00, 22, 1d, 00, 23, 02, 06, 6f, 02, 06, 00, 07, 6b, 01, 01, 00, 02]
+Raw bytes (180): 0x[01, 01, 20, 01, 05, 05, 19, 05, 19, 52, 15, 05, 19, 52, 15, 05, 19, 4e, 11, 52, 15, 05, 19, 4e, 11, 52, 15, 05, 19, 4a, 0d, 4e, 11, 52, 15, 05, 19, 4a, 0d, 4e, 11, 52, 15, 05, 19, 73, 02, 77, 19, 7b, 15, 7f, 11, 09, 0d, 1d, 6f, 73, 02, 77, 19, 7b, 15, 7f, 11, 09, 0d, 10, 01, 0d, 01, 03, 09, 28, 00, 06, 03, 08, 00, 22, 30, 05, 02, 01, 06, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 52, 19, 06, 05, 00, 00, 0d, 00, 0e, 52, 00, 12, 00, 13, 30, 4e, 15, 05, 04, 00, 00, 12, 00, 13, 4e, 00, 17, 00, 18, 30, 4a, 11, 04, 03, 00, 00, 17, 00, 18, 4a, 00, 1c, 00, 1d, 30, 46, 0d, 03, 02, 00, 00, 1c, 00, 1d, 46, 00, 21, 00, 22, 30, 1d, 09, 02, 00, 00, 00, 21, 00, 22, 1d, 00, 23, 02, 06, 6f, 02, 06, 00, 07, 6b, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 32
@@ -125,7 +125,7 @@ Number of expressions: 32
 - expression 30 operands: lhs = Expression(31, Add), rhs = Counter(4)
 - expression 31 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 16
-- Code(Counter(0)) at (prev + 12, 1) to (start + 3, 9)
+- Code(Counter(0)) at (prev + 13, 1) to (start + 3, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 6 } at (prev + 3, 8) to (start + 0, 34)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 6, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
diff --git a/tests/coverage/mcdc/condition-limit.rs b/tests/coverage/mcdc/condition-limit.rs
index 571c600ebd096..2ff46b11a1681 100644
--- a/tests/coverage/mcdc/condition-limit.rs
+++ b/tests/coverage/mcdc/condition-limit.rs
@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19 - 99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-branches=count --show-mcdc
 
diff --git a/tests/coverage/mcdc/if.cov-map b/tests/coverage/mcdc/if.cov-map
index 9a7d15f700df0..ea8dedb0ac363 100644
--- a/tests/coverage/mcdc/if.cov-map
+++ b/tests/coverage/mcdc/if.cov-map
@@ -1,5 +1,5 @@
 Function name: if::mcdc_check_a
-Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 0f, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
+Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 10, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
@@ -8,7 +8,7 @@ Number of expressions: 4
 - expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add)
 - expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 8
-- Code(Counter(0)) at (prev + 15, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 16, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -24,7 +24,7 @@ Number of file 0 mappings: 8
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: if::mcdc_check_b
-Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 17, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
+Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 18, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
@@ -33,7 +33,7 @@ Number of expressions: 4
 - expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add)
 - expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 8
-- Code(Counter(0)) at (prev + 23, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 24, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -49,7 +49,7 @@ Number of file 0 mappings: 8
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: if::mcdc_check_both
-Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 1f, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
+Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 20, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
@@ -58,7 +58,7 @@ Number of expressions: 4
 - expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add)
 - expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 8
-- Code(Counter(0)) at (prev + 31, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 32, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -74,7 +74,7 @@ Number of file 0 mappings: 8
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: if::mcdc_check_neither
-Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 07, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
+Raw bytes (64): 0x[01, 01, 04, 01, 05, 09, 02, 0d, 0f, 09, 02, 08, 01, 08, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0f, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
@@ -83,7 +83,7 @@ Number of expressions: 4
 - expression 2 operands: lhs = Counter(3), rhs = Expression(3, Add)
 - expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 8
-- Code(Counter(0)) at (prev + 7, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 8, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -99,7 +99,7 @@ Number of file 0 mappings: 8
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: if::mcdc_check_not_tree_decision
-Raw bytes (87): 0x[01, 01, 08, 01, 05, 02, 09, 05, 09, 0d, 1e, 02, 09, 11, 1b, 0d, 1e, 02, 09, 0a, 01, 31, 01, 03, 0a, 28, 00, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 03, 00, 09, 00, 0a, 02, 00, 0e, 00, 0f, 30, 09, 1e, 03, 02, 00, 00, 0e, 00, 0f, 0b, 00, 14, 00, 15, 30, 11, 0d, 02, 00, 00, 00, 14, 00, 15, 11, 00, 16, 02, 06, 1b, 02, 0c, 02, 06, 17, 03, 01, 00, 02]
+Raw bytes (87): 0x[01, 01, 08, 01, 05, 02, 09, 05, 09, 0d, 1e, 02, 09, 11, 1b, 0d, 1e, 02, 09, 0a, 01, 32, 01, 03, 0a, 28, 00, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 03, 00, 09, 00, 0a, 02, 00, 0e, 00, 0f, 30, 09, 1e, 03, 02, 00, 00, 0e, 00, 0f, 0b, 00, 14, 00, 15, 30, 11, 0d, 02, 00, 00, 00, 14, 00, 15, 11, 00, 16, 02, 06, 1b, 02, 0c, 02, 06, 17, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 8
@@ -112,7 +112,7 @@ Number of expressions: 8
 - expression 6 operands: lhs = Counter(3), rhs = Expression(7, Sub)
 - expression 7 operands: lhs = Expression(0, Sub), rhs = Counter(2)
 Number of file 0 mappings: 10
-- Code(Counter(0)) at (prev + 49, 1) to (start + 3, 10)
+- Code(Counter(0)) at (prev + 50, 1) to (start + 3, 10)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 3 } at (prev + 3, 8) to (start + 0, 21)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 3 } at (prev + 0, 9) to (start + 0, 10)
     true  = c1
@@ -134,7 +134,7 @@ Number of file 0 mappings: 10
     = (c4 + (c3 + ((c0 - c1) - c2)))
 
 Function name: if::mcdc_check_tree_decision
-Raw bytes (87): 0x[01, 01, 08, 01, 05, 05, 0d, 05, 0d, 0d, 11, 09, 02, 1b, 1f, 0d, 11, 09, 02, 0a, 01, 27, 01, 03, 09, 28, 00, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0e, 00, 0f, 30, 0d, 0a, 02, 00, 03, 00, 0e, 00, 0f, 0a, 00, 13, 00, 14, 30, 11, 09, 03, 00, 00, 00, 13, 00, 14, 1b, 00, 16, 02, 06, 1f, 02, 0c, 02, 06, 17, 03, 01, 00, 02]
+Raw bytes (87): 0x[01, 01, 08, 01, 05, 05, 0d, 05, 0d, 0d, 11, 09, 02, 1b, 1f, 0d, 11, 09, 02, 0a, 01, 28, 01, 03, 09, 28, 00, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0e, 00, 0f, 30, 0d, 0a, 02, 00, 03, 00, 0e, 00, 0f, 0a, 00, 13, 00, 14, 30, 11, 09, 03, 00, 00, 00, 13, 00, 14, 1b, 00, 16, 02, 06, 1f, 02, 0c, 02, 06, 17, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 8
@@ -147,7 +147,7 @@ Number of expressions: 8
 - expression 6 operands: lhs = Counter(3), rhs = Counter(4)
 - expression 7 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 10
-- Code(Counter(0)) at (prev + 39, 1) to (start + 3, 9)
+- Code(Counter(0)) at (prev + 40, 1) to (start + 3, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 3 } at (prev + 3, 8) to (start + 0, 21)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -169,7 +169,7 @@ Number of file 0 mappings: 10
     = ((c3 + c4) + (c2 + (c0 - c1)))
 
 Function name: if::mcdc_nested_if
-Raw bytes (124): 0x[01, 01, 0d, 01, 05, 02, 09, 05, 09, 1b, 15, 05, 09, 1b, 15, 05, 09, 11, 15, 02, 09, 2b, 32, 0d, 2f, 11, 15, 02, 09, 0e, 01, 3b, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 00, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 30, 09, 32, 02, 00, 00, 00, 0d, 00, 0e, 1b, 01, 09, 01, 0d, 28, 01, 02, 01, 0c, 00, 12, 30, 16, 15, 01, 02, 00, 00, 0c, 00, 0d, 16, 00, 11, 00, 12, 30, 0d, 11, 02, 00, 00, 00, 11, 00, 12, 0d, 00, 13, 02, 0a, 2f, 02, 0a, 00, 0b, 32, 01, 0c, 02, 06, 27, 03, 01, 00, 02]
+Raw bytes (124): 0x[01, 01, 0d, 01, 05, 02, 09, 05, 09, 1b, 15, 05, 09, 1b, 15, 05, 09, 11, 15, 02, 09, 2b, 32, 0d, 2f, 11, 15, 02, 09, 0e, 01, 3c, 01, 01, 09, 28, 00, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 00, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 30, 09, 32, 02, 00, 00, 00, 0d, 00, 0e, 1b, 01, 09, 01, 0d, 28, 01, 02, 01, 0c, 00, 12, 30, 16, 15, 01, 02, 00, 00, 0c, 00, 0d, 16, 00, 11, 00, 12, 30, 0d, 11, 02, 00, 00, 00, 11, 00, 12, 0d, 00, 13, 02, 0a, 2f, 02, 0a, 00, 0b, 32, 01, 0c, 02, 06, 27, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 13
@@ -187,7 +187,7 @@ Number of expressions: 13
 - expression 11 operands: lhs = Counter(4), rhs = Counter(5)
 - expression 12 operands: lhs = Expression(0, Sub), rhs = Counter(2)
 Number of file 0 mappings: 14
-- Code(Counter(0)) at (prev + 59, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 60, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
diff --git a/tests/coverage/mcdc/if.rs b/tests/coverage/mcdc/if.rs
index d8e6b61a9d59d..6f589659a3d7b 100644
--- a/tests/coverage/mcdc/if.rs
+++ b/tests/coverage/mcdc/if.rs
@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19 - 99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-branches=count --show-mcdc
 
diff --git a/tests/coverage/mcdc/inlined_expressions.cov-map b/tests/coverage/mcdc/inlined_expressions.cov-map
index 09b7291c96493..8bb488c0dc072 100644
--- a/tests/coverage/mcdc/inlined_expressions.cov-map
+++ b/tests/coverage/mcdc/inlined_expressions.cov-map
@@ -1,5 +1,5 @@
 Function name: inlined_expressions::inlined_instance
-Raw bytes (52): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 06, 01, 08, 01, 01, 06, 28, 00, 02, 01, 05, 00, 0b, 30, 05, 02, 01, 02, 00, 00, 05, 00, 06, 05, 00, 0a, 00, 0b, 30, 09, 0d, 02, 00, 00, 00, 0a, 00, 0b, 07, 01, 01, 00, 02]
+Raw bytes (52): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 06, 01, 09, 01, 01, 06, 28, 00, 02, 01, 05, 00, 0b, 30, 05, 02, 01, 02, 00, 00, 05, 00, 06, 05, 00, 0a, 00, 0b, 30, 09, 0d, 02, 00, 00, 00, 0a, 00, 0b, 07, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 3
@@ -7,7 +7,7 @@ Number of expressions: 3
 - expression 1 operands: lhs = Expression(2, Add), rhs = Expression(0, Sub)
 - expression 2 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 6
-- Code(Counter(0)) at (prev + 8, 1) to (start + 1, 6)
+- Code(Counter(0)) at (prev + 9, 1) to (start + 1, 6)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 5) to (start + 0, 11)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 5) to (start + 0, 6)
     true  = c1
diff --git a/tests/coverage/mcdc/inlined_expressions.rs b/tests/coverage/mcdc/inlined_expressions.rs
index 65f7ee66f3994..fc1e4dae37c7b 100644
--- a/tests/coverage/mcdc/inlined_expressions.rs
+++ b/tests/coverage/mcdc/inlined_expressions.rs
@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19 - 99
 //@ compile-flags: -Zcoverage-options=mcdc -Copt-level=z -Cllvm-args=--inline-threshold=0
 //@ llvm-cov-flags: --show-branches=count --show-mcdc
 
diff --git a/tests/coverage/mcdc/nested_if.cov-map b/tests/coverage/mcdc/nested_if.cov-map
index adeb6cbc1fb89..0bd2aef814c2b 100644
--- a/tests/coverage/mcdc/nested_if.cov-map
+++ b/tests/coverage/mcdc/nested_if.cov-map
@@ -1,5 +1,5 @@
 Function name: nested_if::doubly_nested_if_in_condition
-Raw bytes (168): 0x[01, 01, 0e, 01, 05, 05, 11, 05, 11, 26, 19, 05, 11, 19, 1d, 19, 1d, 1d, 22, 26, 19, 05, 11, 11, 15, 09, 02, 0d, 37, 09, 02, 14, 01, 0f, 01, 01, 09, 28, 02, 02, 01, 08, 00, 4e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 4e, 05, 00, 10, 00, 11, 28, 01, 02, 00, 10, 00, 36, 30, 11, 26, 01, 00, 02, 00, 10, 00, 11, 30, 15, 21, 02, 00, 00, 00, 15, 00, 36, 26, 00, 18, 00, 19, 28, 00, 02, 00, 18, 00, 1e, 30, 19, 22, 01, 02, 00, 00, 18, 00, 19, 19, 00, 1d, 00, 1e, 30, 1a, 1d, 02, 00, 00, 00, 1d, 00, 1e, 1a, 00, 21, 00, 25, 1f, 00, 2f, 00, 34, 2b, 00, 39, 00, 3e, 21, 00, 48, 00, 4c, 0d, 00, 4f, 02, 06, 37, 02, 0c, 02, 06, 33, 03, 01, 00, 02]
+Raw bytes (168): 0x[01, 01, 0e, 01, 05, 05, 11, 05, 11, 26, 19, 05, 11, 19, 1d, 19, 1d, 1d, 22, 26, 19, 05, 11, 11, 15, 09, 02, 0d, 37, 09, 02, 14, 01, 10, 01, 01, 09, 28, 02, 02, 01, 08, 00, 4e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 4e, 05, 00, 10, 00, 11, 28, 01, 02, 00, 10, 00, 36, 30, 11, 26, 01, 00, 02, 00, 10, 00, 11, 30, 15, 21, 02, 00, 00, 00, 15, 00, 36, 26, 00, 18, 00, 19, 28, 00, 02, 00, 18, 00, 1e, 30, 19, 22, 01, 02, 00, 00, 18, 00, 19, 19, 00, 1d, 00, 1e, 30, 1a, 1d, 02, 00, 00, 00, 1d, 00, 1e, 1a, 00, 21, 00, 25, 1f, 00, 2f, 00, 34, 2b, 00, 39, 00, 3e, 21, 00, 48, 00, 4c, 0d, 00, 4f, 02, 06, 37, 02, 0c, 02, 06, 33, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 14
@@ -18,7 +18,7 @@ Number of expressions: 14
 - expression 12 operands: lhs = Counter(3), rhs = Expression(13, Add)
 - expression 13 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 20
-- Code(Counter(0)) at (prev + 15, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 16, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 2, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 78)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -58,7 +58,7 @@ Number of file 0 mappings: 20
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: nested_if::nested_if_in_condition
-Raw bytes (120): 0x[01, 01, 0b, 01, 05, 05, 11, 05, 11, 1e, 15, 05, 11, 11, 15, 1e, 15, 05, 11, 09, 02, 0d, 2b, 09, 02, 0e, 01, 07, 01, 01, 09, 28, 01, 02, 01, 08, 00, 2e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 2e, 05, 00, 10, 00, 11, 28, 00, 02, 00, 10, 00, 16, 30, 11, 1e, 01, 00, 02, 00, 10, 00, 11, 1e, 00, 15, 00, 16, 30, 15, 1a, 02, 00, 00, 00, 15, 00, 16, 17, 00, 19, 00, 1d, 1a, 00, 27, 00, 2c, 0d, 00, 2f, 02, 06, 2b, 02, 0c, 02, 06, 27, 03, 01, 00, 02]
+Raw bytes (120): 0x[01, 01, 0b, 01, 05, 05, 11, 05, 11, 1e, 15, 05, 11, 11, 15, 1e, 15, 05, 11, 09, 02, 0d, 2b, 09, 02, 0e, 01, 08, 01, 01, 09, 28, 01, 02, 01, 08, 00, 2e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 2e, 05, 00, 10, 00, 11, 28, 00, 02, 00, 10, 00, 16, 30, 11, 1e, 01, 00, 02, 00, 10, 00, 11, 1e, 00, 15, 00, 16, 30, 15, 1a, 02, 00, 00, 00, 15, 00, 16, 17, 00, 19, 00, 1d, 1a, 00, 27, 00, 2c, 0d, 00, 2f, 02, 06, 2b, 02, 0c, 02, 06, 27, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 11
@@ -74,7 +74,7 @@ Number of expressions: 11
 - expression 9 operands: lhs = Counter(3), rhs = Expression(10, Add)
 - expression 10 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 14
-- Code(Counter(0)) at (prev + 7, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 8, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 1, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 46)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -103,7 +103,7 @@ Number of file 0 mappings: 14
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: nested_if::nested_in_then_block_in_condition
-Raw bytes (176): 0x[01, 01, 12, 01, 05, 05, 11, 05, 11, 3a, 15, 05, 11, 11, 15, 33, 19, 11, 15, 19, 1d, 19, 1d, 1d, 2e, 33, 19, 11, 15, 3a, 15, 05, 11, 09, 02, 0d, 47, 09, 02, 14, 01, 22, 01, 01, 09, 28, 02, 02, 01, 08, 00, 4b, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 4b, 05, 00, 10, 00, 11, 28, 00, 02, 00, 10, 00, 16, 30, 11, 3a, 01, 00, 02, 00, 10, 00, 11, 3a, 00, 15, 00, 16, 30, 15, 36, 02, 00, 00, 00, 15, 00, 16, 33, 00, 1c, 00, 1d, 28, 01, 02, 00, 1c, 00, 22, 30, 19, 2e, 01, 02, 00, 00, 1c, 00, 1d, 19, 00, 21, 00, 22, 30, 26, 1d, 02, 00, 00, 00, 21, 00, 22, 26, 00, 25, 00, 29, 2b, 00, 33, 00, 38, 36, 00, 44, 00, 49, 0d, 00, 4c, 02, 06, 47, 02, 0c, 02, 06, 43, 03, 01, 00, 02]
+Raw bytes (176): 0x[01, 01, 12, 01, 05, 05, 11, 05, 11, 3a, 15, 05, 11, 11, 15, 33, 19, 11, 15, 19, 1d, 19, 1d, 1d, 2e, 33, 19, 11, 15, 3a, 15, 05, 11, 09, 02, 0d, 47, 09, 02, 14, 01, 23, 01, 01, 09, 28, 02, 02, 01, 08, 00, 4b, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 4b, 05, 00, 10, 00, 11, 28, 00, 02, 00, 10, 00, 16, 30, 11, 3a, 01, 00, 02, 00, 10, 00, 11, 3a, 00, 15, 00, 16, 30, 15, 36, 02, 00, 00, 00, 15, 00, 16, 33, 00, 1c, 00, 1d, 28, 01, 02, 00, 1c, 00, 22, 30, 19, 2e, 01, 02, 00, 00, 1c, 00, 1d, 19, 00, 21, 00, 22, 30, 26, 1d, 02, 00, 00, 00, 21, 00, 22, 26, 00, 25, 00, 29, 2b, 00, 33, 00, 38, 36, 00, 44, 00, 49, 0d, 00, 4c, 02, 06, 47, 02, 0c, 02, 06, 43, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 18
@@ -126,7 +126,7 @@ Number of expressions: 18
 - expression 16 operands: lhs = Counter(3), rhs = Expression(17, Add)
 - expression 17 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 20
-- Code(Counter(0)) at (prev + 34, 1) to (start + 1, 9)
+- Code(Counter(0)) at (prev + 35, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 2, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 75)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
@@ -167,7 +167,7 @@ Number of file 0 mappings: 20
     = (c3 + (c2 + (c0 - c1)))
 
 Function name: nested_if::nested_single_condition_decision
-Raw bytes (85): 0x[01, 01, 06, 01, 05, 05, 11, 05, 11, 09, 02, 0d, 17, 09, 02, 0b, 01, 17, 01, 04, 09, 28, 00, 02, 04, 08, 00, 29, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 29, 05, 00, 10, 00, 11, 20, 11, 0a, 00, 10, 00, 11, 11, 00, 14, 00, 19, 0a, 00, 23, 00, 27, 0d, 00, 2a, 02, 06, 17, 02, 0c, 02, 06, 13, 03, 01, 00, 02]
+Raw bytes (85): 0x[01, 01, 06, 01, 05, 05, 11, 05, 11, 09, 02, 0d, 17, 09, 02, 0b, 01, 18, 01, 04, 09, 28, 00, 02, 04, 08, 00, 29, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 09, 02, 00, 00, 00, 0d, 00, 29, 05, 00, 10, 00, 11, 20, 11, 0a, 00, 10, 00, 11, 11, 00, 14, 00, 19, 0a, 00, 23, 00, 27, 0d, 00, 2a, 02, 06, 17, 02, 0c, 02, 06, 13, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 6
@@ -178,7 +178,7 @@ Number of expressions: 6
 - expression 4 operands: lhs = Counter(3), rhs = Expression(5, Add)
 - expression 5 operands: lhs = Counter(2), rhs = Expression(0, Sub)
 Number of file 0 mappings: 11
-- Code(Counter(0)) at (prev + 23, 1) to (start + 4, 9)
+- Code(Counter(0)) at (prev + 24, 1) to (start + 4, 9)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 4, 8) to (start + 0, 41)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9)
     true  = c1
diff --git a/tests/coverage/mcdc/nested_if.rs b/tests/coverage/mcdc/nested_if.rs
index f5068b5dcc23f..f9ce7a0bc254f 100644
--- a/tests/coverage/mcdc/nested_if.rs
+++ b/tests/coverage/mcdc/nested_if.rs
@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19 - 99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-branches=count --show-mcdc
 
diff --git a/tests/coverage/mcdc/non_control_flow.cov-map b/tests/coverage/mcdc/non_control_flow.cov-map
index f8576831e75f1..0c6928b684d6b 100644
--- a/tests/coverage/mcdc/non_control_flow.cov-map
+++ b/tests/coverage/mcdc/non_control_flow.cov-map
@@ -1,5 +1,5 @@
 Function name: non_control_flow::assign_3
-Raw bytes (89): 0x[01, 01, 09, 05, 07, 0b, 11, 09, 0d, 01, 05, 01, 05, 22, 11, 01, 05, 22, 11, 01, 05, 0a, 01, 16, 01, 00, 28, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 03, 00, 0d, 00, 18, 30, 05, 22, 01, 00, 02, 00, 0d, 00, 0e, 22, 00, 12, 00, 13, 30, 1e, 11, 02, 03, 00, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 30, 09, 0d, 03, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02]
+Raw bytes (89): 0x[01, 01, 09, 05, 07, 0b, 11, 09, 0d, 01, 05, 01, 05, 22, 11, 01, 05, 22, 11, 01, 05, 0a, 01, 17, 01, 00, 28, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 03, 00, 0d, 00, 18, 30, 05, 22, 01, 00, 02, 00, 0d, 00, 0e, 22, 00, 12, 00, 13, 30, 1e, 11, 02, 03, 00, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 30, 09, 0d, 03, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 9
@@ -13,7 +13,7 @@ Number of expressions: 9
 - expression 7 operands: lhs = Expression(8, Sub), rhs = Counter(4)
 - expression 8 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 10
-- Code(Counter(0)) at (prev + 22, 1) to (start + 0, 40)
+- Code(Counter(0)) at (prev + 23, 1) to (start + 0, 40)
 - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
     = (c1 + ((c2 + c3) + c4))
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
@@ -35,7 +35,7 @@ Number of file 0 mappings: 10
     = (c1 + ((c2 + c3) + c4))
 
 Function name: non_control_flow::assign_3_bis
-Raw bytes (85): 0x[01, 01, 07, 07, 11, 09, 0d, 01, 05, 05, 09, 16, 1a, 05, 09, 01, 05, 0a, 01, 1b, 01, 00, 2c, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 03, 00, 0d, 00, 18, 30, 05, 1a, 01, 03, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 16, 03, 00, 02, 00, 12, 00, 13, 13, 00, 17, 00, 18, 30, 0d, 11, 02, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02]
+Raw bytes (85): 0x[01, 01, 07, 07, 11, 09, 0d, 01, 05, 05, 09, 16, 1a, 05, 09, 01, 05, 0a, 01, 1c, 01, 00, 2c, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 03, 00, 0d, 00, 18, 30, 05, 1a, 01, 03, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 16, 03, 00, 02, 00, 12, 00, 13, 13, 00, 17, 00, 18, 30, 0d, 11, 02, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 7
@@ -47,7 +47,7 @@ Number of expressions: 7
 - expression 5 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 6 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 10
-- Code(Counter(0)) at (prev + 27, 1) to (start + 0, 44)
+- Code(Counter(0)) at (prev + 28, 1) to (start + 0, 44)
 - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
     = ((c2 + c3) + c4)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
@@ -68,7 +68,7 @@ Number of file 0 mappings: 10
     = ((c2 + c3) + c4)
 
 Function name: non_control_flow::assign_and
-Raw bytes (64): 0x[01, 01, 04, 07, 0e, 09, 0d, 01, 05, 01, 05, 08, 01, 0c, 01, 00, 21, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02]
+Raw bytes (64): 0x[01, 01, 04, 07, 0e, 09, 0d, 01, 05, 01, 05, 08, 01, 0d, 01, 00, 21, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
@@ -77,7 +77,7 @@ Number of expressions: 4
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 3 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 8
-- Code(Counter(0)) at (prev + 12, 1) to (start + 0, 33)
+- Code(Counter(0)) at (prev + 13, 1) to (start + 0, 33)
 - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
     = ((c2 + c3) + (c0 - c1))
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
@@ -93,7 +93,7 @@ Number of file 0 mappings: 8
     = ((c2 + c3) + (c0 - c1))
 
 Function name: non_control_flow::assign_or
-Raw bytes (64): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 08, 01, 11, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 00, 02, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02]
+Raw bytes (64): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 08, 01, 12, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 00, 02, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
@@ -102,7 +102,7 @@ Number of expressions: 4
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 3 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 8
-- Code(Counter(0)) at (prev + 17, 1) to (start + 0, 32)
+- Code(Counter(0)) at (prev + 18, 1) to (start + 0, 32)
 - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
     = ((c1 + c2) + c3)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
@@ -119,15 +119,15 @@ Number of file 0 mappings: 8
     = ((c1 + c2) + c3)
 
 Function name: non_control_flow::foo
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 01, 02, 02]
+Raw bytes (9): 0x[01, 01, 00, 01, 01, 26, 01, 02, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 37, 1) to (start + 2, 2)
+- Code(Counter(0)) at (prev + 38, 1) to (start + 2, 2)
 
 Function name: non_control_flow::func_call
-Raw bytes (52): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 06, 01, 29, 01, 01, 0a, 28, 00, 02, 01, 09, 00, 0f, 30, 05, 02, 01, 02, 00, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 30, 09, 0d, 02, 00, 00, 00, 0e, 00, 0f, 07, 01, 01, 00, 02]
+Raw bytes (52): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 06, 01, 2a, 01, 01, 0a, 28, 00, 02, 01, 09, 00, 0f, 30, 05, 02, 01, 02, 00, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 30, 09, 0d, 02, 00, 00, 00, 0e, 00, 0f, 07, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 3
@@ -135,7 +135,7 @@ Number of expressions: 3
 - expression 1 operands: lhs = Expression(2, Add), rhs = Expression(0, Sub)
 - expression 2 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 6
-- Code(Counter(0)) at (prev + 41, 1) to (start + 1, 10)
+- Code(Counter(0)) at (prev + 42, 1) to (start + 1, 10)
 - MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 9) to (start + 0, 15)
 - MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 9) to (start + 0, 10)
     true  = c1
@@ -148,7 +148,7 @@ Number of file 0 mappings: 6
     = ((c2 + c3) + (c0 - c1))
 
 Function name: non_control_flow::right_comb_tree
-Raw bytes (139): 0x[01, 01, 13, 07, 1a, 0b, 19, 0f, 15, 13, 11, 09, 0d, 01, 05, 01, 05, 05, 19, 05, 19, 4a, 15, 05, 19, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 0e, 01, 20, 01, 00, 41, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 05, 00, 0d, 00, 2a, 30, 05, 1a, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 30, 4a, 19, 02, 03, 00, 00, 13, 00, 14, 4a, 00, 19, 00, 1a, 30, 46, 15, 03, 04, 00, 00, 19, 00, 1a, 46, 00, 1f, 00, 20, 30, 42, 11, 04, 05, 00, 00, 1f, 00, 20, 42, 00, 24, 00, 27, 30, 09, 0d, 05, 00, 00, 00, 24, 00, 27, 03, 01, 05, 01, 02]
+Raw bytes (139): 0x[01, 01, 13, 07, 1a, 0b, 19, 0f, 15, 13, 11, 09, 0d, 01, 05, 01, 05, 05, 19, 05, 19, 4a, 15, 05, 19, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 0e, 01, 21, 01, 00, 41, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 05, 00, 0d, 00, 2a, 30, 05, 1a, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 30, 4a, 19, 02, 03, 00, 00, 13, 00, 14, 4a, 00, 19, 00, 1a, 30, 46, 15, 03, 04, 00, 00, 19, 00, 1a, 46, 00, 1f, 00, 20, 30, 42, 11, 04, 05, 00, 00, 1f, 00, 20, 42, 00, 24, 00, 27, 30, 09, 0d, 05, 00, 00, 00, 24, 00, 27, 03, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 19
@@ -172,7 +172,7 @@ Number of expressions: 19
 - expression 17 operands: lhs = Expression(18, Sub), rhs = Counter(5)
 - expression 18 operands: lhs = Counter(1), rhs = Counter(6)
 Number of file 0 mappings: 14
-- Code(Counter(0)) at (prev + 32, 1) to (start + 0, 65)
+- Code(Counter(0)) at (prev + 33, 1) to (start + 0, 65)
 - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
     = (((((c2 + c3) + c4) + c5) + c6) + (c0 - c1))
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
diff --git a/tests/coverage/mcdc/non_control_flow.rs b/tests/coverage/mcdc/non_control_flow.rs
index 77e64e6625b2c..633d381a1aafc 100644
--- a/tests/coverage/mcdc/non_control_flow.rs
+++ b/tests/coverage/mcdc/non_control_flow.rs
@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19 - 99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-branches=count --show-mcdc
 
diff --git a/tests/crashes/121444.rs b/tests/ui/abi/large-byval-align.rs
similarity index 68%
rename from tests/crashes/121444.rs
rename to tests/ui/abi/large-byval-align.rs
index a6373a58c426e..e39170df72b49 100644
--- a/tests/crashes/121444.rs
+++ b/tests/ui/abi/large-byval-align.rs
@@ -1,11 +1,13 @@
-//@ known-bug: #121444
 //@ compile-flags: -Copt-level=0
-//@ edition:2021
 //@ only-x86_64
 //@ ignore-windows
+//@ min-llvm-version: 19
+//@ build-pass
+
 #[repr(align(536870912))]
 pub struct A(i64);
 
+#[allow(improper_ctypes_definitions)]
 pub extern "C" fn foo(x: A) {}
 
 fn main() {