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Diffstat (limited to 'test/CodeGen/X86/stdarg.ll')
| -rw-r--r-- | test/CodeGen/X86/stdarg.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/X86/stdarg.ll b/test/CodeGen/X86/stdarg.ll new file mode 100644 index 000000000000..9778fa138948 --- /dev/null +++ b/test/CodeGen/X86/stdarg.ll @@ -0,0 +1,20 @@ +; RUN: llc < %s -march=x86-64 | grep {testb \[%\]al, \[%\]al} + +%struct.__va_list_tag = type { i32, i32, i8*, i8* } + +define void @foo(i32 %x, ...) nounwind { +entry: + %ap = alloca [1 x %struct.__va_list_tag], align 8; <[1 x %struct.__va_list_tag]*> [#uses=2] + %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*; <i8*> [#uses=2] + call void @llvm.va_start(i8* %ap12) + %ap3 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0; <%struct.__va_list_tag*> [#uses=1] + call void @bar(%struct.__va_list_tag* %ap3) nounwind + call void @llvm.va_end(i8* %ap12) + ret void +} + +declare void @llvm.va_start(i8*) nounwind + +declare void @bar(%struct.__va_list_tag*) + +declare void @llvm.va_end(i8*) nounwind |