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llvm-mirror/test/CodeGen/X86/sext-i1.ll
Andrew Trick 80893981d6 Revert r128175.
I'm backing this out for the second time. It was supposed to be fixed by r128164, but the mingw self-host must be defeating the fix.

llvm-svn: 128181
2011-03-23 23:11:02 +00:00

64 lines
1.4 KiB
LLVM

; RUN: llc < %s -march=x86 -disable-cgp-branch-opts | FileCheck %s -check-prefix=32
; RUN: llc < %s -march=x86-64 -disable-cgp-branch-opts | FileCheck %s -check-prefix=64
; rdar://7573216
; PR6146
define i32 @t1(i32 %x) nounwind readnone ssp {
entry:
; 32: t1:
; 32: cmpl $1
; 32: sbbl
; 64: t1:
; 64: cmpl $1
; 64: sbbl
%0 = icmp eq i32 %x, 0
%iftmp.0.0 = select i1 %0, i32 -1, i32 0
ret i32 %iftmp.0.0
}
define i32 @t2(i32 %x) nounwind readnone ssp {
entry:
; 32: t2:
; 32: cmpl $1
; 32: sbbl
; 64: t2:
; 64: cmpl $1
; 64: sbbl
%0 = icmp eq i32 %x, 0
%iftmp.0.0 = sext i1 %0 to i32
ret i32 %iftmp.0.0
}
%struct.zbookmark = type { i64, i64 }
%struct.zstream = type { }
define i32 @t3() nounwind readonly {
entry:
; 32: t3:
; 32: cmpl $1
; 32: sbbl
; 32: cmpl
; 32: xorl
; 64: t3:
; 64: cmpl $1
; 64: sbbq
; 64: cmpq
; 64: xorl
%not.tobool = icmp eq i32 undef, 0 ; <i1> [#uses=2]
%cond = sext i1 %not.tobool to i32 ; <i32> [#uses=1]
%conv = sext i1 %not.tobool to i64 ; <i64> [#uses=1]
%add13 = add i64 0, %conv ; <i64> [#uses=1]
%cmp = icmp ult i64 undef, %add13 ; <i1> [#uses=1]
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
br label %if.end
if.end: ; preds = %if.then, %entry
%xor27 = xor i32 undef, %cond ; <i32> [#uses=0]
ret i32 0
}