diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/ms-inline-asm.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/ms-inline-asm.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/ms-inline-asm.ll b/llvm/test/CodeGen/X86/ms-inline-asm.ll index 428eb1b7190..ec0630a4ce0 100644 --- a/llvm/test/CodeGen/X86/ms-inline-asm.ll +++ b/llvm/test/CodeGen/X86/ms-inline-asm.ll @@ -126,6 +126,37 @@ entry: ; CHECK: ret } +; Make sure ${:uid} works. Clang uses it for MS inline asm labels. +; +; C source: +; int uid() { +; int r; +; __asm { +; xor eax, eax +; wloop: +; inc eax +; cmp eax, 42 +; jne wloop +; mov r, eax +; } +; return r; +; } +define i32 @uid() { +entry: + %r = alloca i32, align 4 + %0 = bitcast i32* %r to i8* + call void asm sideeffect inteldialect "xor eax, eax\0A\09.L__MSASMLABEL_.${:uid}__wloop:\0A\09inc eax\0A\09cmp eax, $$42\0A\09jne .L__MSASMLABEL_.${:uid}__wloop\0A\09mov dword ptr $0, eax", "=*m,~{eax},~{flags},~{dirflag},~{fpsr},~{flags}"(i32* nonnull %r) + %1 = load i32, i32* %r, align 4 + ret i32 %1 +; CHECK-LABEL: uid: +; CHECK: {{## InlineAsm Start|#APP}} +; CHECK: .L__MSASMLABEL_.0__wloop: +; CHECK: jne .L__MSASMLABEL_.0__wloop +; CHECK: .att_syntax +; CHECK: {{## InlineAsm End|#NO_APP}} +; CHECK: ret +} + declare hidden void @other_func() define void @naked() #0 { |
