| ; 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() |
