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2da863984b
When (srl (anyextend x), c) is folded into (anyextend (srl x, c)), the high bits are not cleared. Add 'and' to clear off them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184575 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
321 B
LLVM
17 lines
321 B
LLVM
; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s
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define i64 @foo(i32 %sum) {
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entry:
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%conv = sext i32 %sum to i64
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%shr = lshr i64 %conv, 2
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%or = or i64 4611686018360279040, %shr
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ret i64 %or
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}
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; CHECK: foo
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; CHECK: shrl $2
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; CHECK: orl $-67108864
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; CHECK-NOT: movl $-1
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; CHECK: movl $1073741823
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; CHECK: ret
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