llvm-6502/test/CodeGen/X86/bool-zext.ll
Bill Wendling d336de318e As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
(movzx/movsx) because they give more information. Revert that part of the patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 01:46:37 +00:00

36 lines
685 B
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
; CHECK: @bar1
; CHECK: movzbl
; CHECK: 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: @bar2
; CHECK-NOT: movzbl
; CHECK: 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: @bar3
; CHECK: callq
; CHECK-NOT: movzbl
; CHECK-NOT: and
; CHECK: ret
define zeroext i1 @bar3() nounwind ssp {
entry:
%call = call i1 @foo2() nounwind
ret i1 %call
}
declare i32 @foo1(...)
declare zeroext i1 @foo2()