diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp index 56fa93332f5..9604448aeba 100644 --- a/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -625,7 +625,7 @@ static bool canRewriteGEPAsOffset(Value *Start, Value *Base, } if (!isa(V) && !isa(V) && - !isa(V) && !isa(V)) + !isa(V) && !isa(V)) // We've found some value that we can't explore which is different from // the base. Therefore we can't do this transformation. return false; diff --git a/test/Transforms/InstCombine/indexed-gep-compares.ll b/test/Transforms/InstCombine/indexed-gep-compares.ll index 495881549e2..64dff271297 100644 --- a/test/Transforms/InstCombine/indexed-gep-compares.ll +++ b/test/Transforms/InstCombine/indexed-gep-compares.ll @@ -167,4 +167,24 @@ lpad: ; CHECK: ret i32* %[[PTR]] } + +@pr30402 = constant i64 3 +define i1 @test7() { +entry: + br label %bb7 + +bb7: ; preds = %bb10, %entry-block + %phi = phi i64* [ @pr30402, %entry ], [ getelementptr inbounds (i64, i64* @pr30402, i32 1), %bb7 ] + %cmp = icmp eq i64* %phi, getelementptr inbounds (i64, i64* @pr30402, i32 1) + br i1 %cmp, label %bb10, label %bb7 + +bb10: + ret i1 %cmp +} +; CHECK-LABEL: @test7( +; CHECK: %[[phi:.*]] = phi i64* [ @pr30402, %entry ], [ getelementptr inbounds (i64, i64* @pr30402, i32 1), %bb7 ] +; CHECK: %[[cmp:.*]] = icmp eq i64* %[[phi]], getelementptr inbounds (i64, i64* @pr30402, i32 1) +; CHECK: ret i1 %[[cmp]] + + declare i32 @__gxx_personality_v0(...)