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