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- ; RUN: opt < %s -instcombine -simplifycfg -S | grep " = phi " | count 1
- ; instcombine should sort the PHI operands so that simplifycfg can see the
- ; duplicate and remove it.
- define i32 @foo(i1 %t) {
- entry:
- call void @bar()
- br i1 %t, label %true, label %false
- true:
- call void @bar()
- br label %false
- false:
- %a = phi i32 [ 2, %true ], [ 5, %entry ]
- %b = phi i32 [ 5, %entry ], [ 2, %true ]
- call void @bar()
- %c = add i32 %a, %b
- ret i32 %c
- }
- declare void @bar()
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