57 lines
1.3 KiB
LLVM
57 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s -check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s -check-prefix=X64
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; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s -check-prefix=WIN64
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; Check that the argument gets zero-extended before calling.
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; X86-LABEL: bar1
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; X86: movzbl
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; X86: calll
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; X64-LABEL: bar1
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; X64: movzbl
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; X64: jmp
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; WIN64-LABEL: bar1
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; WIN64: movzbl
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; WIN64: callq
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define void @bar1(i1 zeroext %v1) nounwind ssp {
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entry:
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%conv = zext i1 %v1 to i32
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%call = tail call i32 (...) @foo1(i32 %conv) nounwind
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ret void
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}
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; Check that on x86-64 the arguments are simply forwarded.
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; X64-LABEL: bar2
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; X64-NOT: movzbl
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; X64: jmp
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; WIN64-LABEL: bar2
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; WIN64-NOT: movzbl
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; WIN64: callq
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define void @bar2(i8 zeroext %v1) nounwind ssp {
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entry:
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%conv = zext i8 %v1 to i32
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%call = tail call i32 (...) @foo1(i32 %conv) nounwind
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ret void
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}
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; Check that i1 return values are not zero-extended.
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; X86-LABEL: bar3
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; X86: call
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; X86-NEXT: {{add|pop}}
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; X86-NEXT: ret
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; X64-LABEL: bar3
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; X64: call
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; X64-NEXT: {{add|pop}}
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; X64-NEXT: ret
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; WIN64-LABEL: bar3
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; WIN64: call
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; WIN64-NEXT: {{add|pop}}
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; WIN64-NEXT: ret
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define zeroext i1 @bar3() nounwind ssp {
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entry:
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%call = call i1 @foo2() nounwind
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ret i1 %call
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}
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declare i32 @foo1(...)
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declare zeroext i1 @foo2()
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