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2c47368a7d
when it should have been and'd with LowBits. Fix that and while there beef up the logic in the case of a negative LHS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94745 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
544 B
LLVM
20 lines
544 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; PR6165
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define i32 @f() {
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entry:
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br label %BB1
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BB1: ; preds = %BB1, %entry
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; CHECK: BB1:
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%x = phi i32 [ -29, %entry ], [ 0, %BB1 ] ; <i32> [#uses=2]
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%rem = srem i32 %x, 2 ; <i32> [#uses=1]
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%t = icmp eq i32 %rem, -1 ; <i1> [#uses=1]
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br i1 %t, label %BB2, label %BB1
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; CHECK-NOT: br i1 false
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BB2: ; preds = %BB1
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; CHECK: BB2:
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ret i32 %x
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}
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