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- ; RUN: opt %s -instcombine
- define i32 @f(i32 %theNumber) {
- entry:
- %cmp = icmp sgt i32 %theNumber, -1
- call void @llvm.assume(i1 %cmp)
- br i1 true, label %if.then, label %if.end
- if.then: ; preds = %entry
- %shl = shl nuw i32 %theNumber, 1
- br label %if.end
- if.end: ; preds = %if.then, %entry
- %phi = phi i32 [ %shl, %if.then ], [ undef, %entry ]
- ret i32 %phi
- }
- declare void @llvm.assume(i1)
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