31 lines
1.4 KiB
LLVM
31 lines
1.4 KiB
LLVM
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -stack-symbol-ordering=0 | FileCheck %s -check-prefix=X64
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; RUN: llc < %s -mtriple=i686-apple-darwin -stack-symbol-ordering=0 | FileCheck %s -check-prefix=X32
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%struct.Baz = type { [17 x i8] }
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%struct.__va_list_tag = type { i32, i32, i8*, i8* }
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; Function Attrs: nounwind uwtable
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define void @bar(%struct.Baz* byval(%struct.Baz) nocapture readnone align 8 %x, ...) {
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entry:
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%va = alloca [1 x %struct.__va_list_tag], align 16
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%arraydecay = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0
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%arraydecay1 = bitcast [1 x %struct.__va_list_tag]* %va to i8*
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call void @llvm.va_start(i8* %arraydecay1)
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%overflow_arg_area_p = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0, i32 2
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%overflow_arg_area = load i8*, i8** %overflow_arg_area_p, align 8
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%overflow_arg_area.next = getelementptr i8, i8* %overflow_arg_area, i64 24
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store i8* %overflow_arg_area.next, i8** %overflow_arg_area_p, align 8
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; X32: leal 68(%esp), [[REG:%.*]]
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; X32: movl [[REG]], 16(%esp)
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; X64: leaq 256(%rsp), [[REG:%.*]]
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; X64: movq [[REG]], 184(%rsp)
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; X64: leaq 176(%rsp), %rdi
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call void @qux(%struct.__va_list_tag* %arraydecay)
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.va_start(i8*)
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declare void @qux(%struct.__va_list_tag*)
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