28 lines
847 B
LLVM
28 lines
847 B
LLVM
; RUN: llc -stack-symbol-ordering=0 < %s -mtriple=x86_64-linux | FileCheck %s
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%struct.__va_list_tag = type { i32, i32, ptr, ptr }
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define void @foo(i32 %x, ...) nounwind {
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entry:
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%ap = alloca [1 x %struct.__va_list_tag], align 8; <ptr> [#uses=2]
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call void @llvm.va_start(ptr %ap)
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; CHECK: testb %al, %al
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; These test for specific offsets, which is very fragile. Still, the test needs
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; to ensure that va_list has the correct element types.
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;
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; CHECK-DAG: movq {{.*}}, 192(%rsp)
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; CHECK-DAG: movq {{.*}}, 184(%rsp)
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; CHECK-DAG: movq {{.*}}, 176(%rsp)
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%ap3 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i64 0, i64 0; <ptr> [#uses=1]
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call void @bar(ptr %ap3) nounwind
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call void @llvm.va_end(ptr %ap)
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ret void
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}
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declare void @llvm.va_start(ptr) nounwind
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declare void @bar(ptr)
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declare void @llvm.va_end(ptr) nounwind
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