diff options
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp | 3 | ||||
| -rw-r--r-- | tests/assembly/asm-comments.rs | 12 |
2 files changed, 14 insertions, 1 deletions
diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index c4cfc0b6dc6..a868c56c4e6 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -436,7 +436,8 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine( Options.FunctionSections = FunctionSections; Options.UniqueSectionNames = UniqueSectionNames; Options.MCOptions.AsmVerbose = AsmComments; - Options.MCOptions.PreserveAsmComments = AsmComments; + // Always preserve comments that were written by the user + Options.MCOptions.PreserveAsmComments = true; Options.MCOptions.ABIName = ABIStr; if (SplitDwarfFile) { Options.MCOptions.SplitDwarfFile = SplitDwarfFile; diff --git a/tests/assembly/asm-comments.rs b/tests/assembly/asm-comments.rs new file mode 100644 index 00000000000..557009975dd --- /dev/null +++ b/tests/assembly/asm-comments.rs @@ -0,0 +1,12 @@ +//@ assembly-output: emit-asm +//@ only-x86_64 +// Check that comments in assembly get passed + +#![crate_type = "lib"] + +// CHECK-LABEL: test_comments: +#[no_mangle] +pub fn test_comments() { + // CHECK: example comment + unsafe { core::arch::asm!("nop // example comment") }; +} |