diff options
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCalls.cpp | 2 | ||||
| -rw-r--r-- | test/Transforms/InstCombine/intrinsics.ll | 34 |
2 files changed, 23 insertions, 13 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp index 52277a009d..0ebe3b4558 100644 --- a/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -538,7 +538,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { // X + 0 -> {X, false} if (RHS->isZero()) { Constant *V[] = { - UndefValue::get(II->getCalledValue()->getType()), + UndefValue::get(II->getArgOperand(0)->getType()), ConstantInt::getFalse(II->getContext()) }; Constant *Struct = ConstantStruct::get(II->getContext(), V, 2, false); diff --git a/test/Transforms/InstCombine/intrinsics.ll b/test/Transforms/InstCombine/intrinsics.ll index 08dcfa731a..d672d8c153 100644 --- a/test/Transforms/InstCombine/intrinsics.ll +++ b/test/Transforms/InstCombine/intrinsics.ll @@ -10,16 +10,16 @@ declare i32 @llvm.ctlz.i32(i32) nounwind readnone declare i32 @llvm.ctpop.i32(i32) nounwind readnone declare i8 @llvm.ctlz.i8(i8) nounwind readnone -define i8 @test1(i8 %A, i8 %B) { +define i8 @uaddtest1(i8 %A, i8 %B) { %x = call %overflow.result @llvm.uadd.with.overflow.i8(i8 %A, i8 %B) %y = extractvalue %overflow.result %x, 0 ret i8 %y -; CHECK: @test1 +; CHECK: @uaddtest1 ; CHECK-NEXT: %y = add i8 %A, %B ; CHECK-NEXT: ret i8 %y } -define i8 @test2(i8 %A, i8 %B, i1* %overflowPtr) { +define i8 @uaddtest2(i8 %A, i8 %B, i1* %overflowPtr) { %and.A = and i8 %A, 127 %and.B = and i8 %B, 127 %x = call %overflow.result @llvm.uadd.with.overflow.i8(i8 %and.A, i8 %and.B) @@ -27,7 +27,7 @@ define i8 @test2(i8 %A, i8 %B, i1* %overflowPtr) { %z = extractvalue %overflow.result %x, 1 store i1 %z, i1* %overflowPtr ret i8 %y -; CHECK: @test2 +; CHECK: @uaddtest2 ; CHECK-NEXT: %and.A = and i8 %A, 127 ; CHECK-NEXT: %and.B = and i8 %B, 127 ; CHECK-NEXT: %1 = add nuw i8 %and.A, %and.B @@ -35,7 +35,7 @@ define i8 @test2(i8 %A, i8 %B, i1* %overflowPtr) { ; CHECK-NEXT: ret i8 %1 } -define i8 @test3(i8 %A, i8 %B, i1* %overflowPtr) { +define i8 @uaddtest3(i8 %A, i8 %B, i1* %overflowPtr) { %or.A = or i8 %A, -128 %or.B = or i8 %B, -128 %x = call %overflow.result @llvm.uadd.with.overflow.i8(i8 %or.A, i8 %or.B) @@ -43,7 +43,7 @@ define i8 @test3(i8 %A, i8 %B, i1* %overflowPtr) { %z = extractvalue %overflow.result %x, 1 store i1 %z, i1* %overflowPtr ret i8 %y -; CHECK: @test3 +; CHECK: @uaddtest3 ; CHECK-NEXT: %or.A = or i8 %A, -128 ; CHECK-NEXT: %or.B = or i8 %B, -128 ; CHECK-NEXT: %1 = add i8 %or.A, %or.B @@ -51,34 +51,44 @@ define i8 @test3(i8 %A, i8 %B, i1* %overflowPtr) { ; CHECK-NEXT: ret i8 %1 } -define i8 @test4(i8 %A, i1* %overflowPtr) { +define i8 @uaddtest4(i8 %A, i1* %overflowPtr) { %x = call %overflow.result @llvm.uadd.with.overflow.i8(i8 undef, i8 %A) %y = extractvalue %overflow.result %x, 0 %z = extractvalue %overflow.result %x, 1 store i1 %z, i1* %overflowPtr ret i8 %y -; CHECK: @test4 +; CHECK: @uaddtest4 ; CHECK-NEXT: ret i8 undef } -define i8 @test5(i8 %A, i1* %overflowPtr) { +define i8 @uaddtest5(i8 %A, i1* %overflowPtr) { + %x = call %overflow.result @llvm.uadd.with.overflow.i8(i8 0, i8 %A) + %y = extractvalue %overflow.result %x, 0 + %z = extractvalue %overflow.result %x, 1 + store i1 %z, i1* %overflowPtr + ret i8 %y +; CHECK: @uaddtest5 +; CHECK: ret i8 %A +} + +define i8 @umultest1(i8 %A, i1* %overflowPtr) { %x = call %overflow.result @llvm.umul.with.overflow.i8(i8 0, i8 %A) %y = extractvalue %overflow.result %x, 0 %z = extractvalue %overflow.result %x, 1 store i1 %z, i1* %overflowPtr ret i8 %y -; CHECK: @test5 +; CHECK: @umultest1 ; CHECK-NEXT: store i1 false, i1* %overflowPtr ; CHECK-NEXT: ret i8 0 } -define i8 @test6(i8 %A, i1* %overflowPtr) { +define i8 @umultest2(i8 %A, i1* %overflowPtr) { %x = call %overflow.result @llvm.umul.with.overflow.i8(i8 1, i8 %A) %y = extractvalue %overflow.result %x, 0 %z = extractvalue %overflow.result %x, 1 store i1 %z, i1* %overflowPtr ret i8 %y -; CHECK: @test6 +; CHECK: @umultest2 ; CHECK-NEXT: store i1 false, i1* %overflowPtr ; CHECK-NEXT: ret i8 %A } |