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dae3654635
We know that udiv %V, C can be optimized away to 0 if %V is ult C. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291296 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
320 B
LLVM
16 lines
320 B
LLVM
; RUN: opt < %s -instsimplify -S | FileCheck %s
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declare i32 @external()
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define i32 @div1() {
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; CHECK-LABEL: @div1(
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; CHECK: [[CALL:%.*]] = call i32 @external(), !range !0
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; CHECK-NEXT: ret i32 0
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;
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%call = call i32 @external(), !range !0
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%urem = udiv i32 %call, 3
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ret i32 %urem
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}
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!0 = !{i32 0, i32 3}
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