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Testcase for r151691.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151694 91177308-0d34-0410-b5e6-96231b3b80d8
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Bill Wendling 2012-02-29 01:53:13 +00:00
parent e1b66f1145
commit 37c02bce27
1 changed files with 19 additions and 0 deletions
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test/Transforms/InstCombine/2012-02-28-ICmp.ll Normal file
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; RUN: opt < %s -instcombine -S | FileCheck %s
; <rdar://problem/10803154>
; There should be no transformation.
; CHECK: %a = trunc i32 %x to i8
; CHECK: %b = icmp ne i8 %a, 0
; CHECK: %c = and i32 %x, 16711680
; CHECK: %d = icmp ne i32 %c, 0
; CHECK: %e = and i1 %b, %d
; CHECK: ret i1 %e
define i1 @f1(i32 %x) {
%a = trunc i32 %x to i8
%b = icmp ne i8 %a, 0
%c = and i32 %x, 16711680
%d = icmp ne i32 %c, 0
%e = and i1 %b, %d
ret i1 %e
}