1; RUN: llc < %s -mtriple=x86_64-apple-osx10.14 -mattr=+avx2 | FileCheck %s 2 3; Check that we don't crash due creating invalid extract_subvector indices in store merging. 4; CHECK-LABEL: testfn 5; CHECK: retq 6define void @testfn(i32* nocapture %p) { 7 %v0 = getelementptr i32, i32* %p, i64 12 8 %1 = bitcast i32* %v0 to <2 x i64>* 9 %2 = bitcast i32* %v0 to <4 x i32>* 10 %3 = getelementptr <2 x i64>, <2 x i64>* %1, i64 -3 11 store <2 x i64> undef, <2 x i64>* %3, align 16 12 %4 = shufflevector <4 x i64> zeroinitializer, <4 x i64> undef, <2 x i32> <i32 0, i32 1> 13 %5 = getelementptr <2 x i64>, <2 x i64>* %1, i64 -2 14 store <2 x i64> %4, <2 x i64>* %5, align 16 15 %6 = shufflevector <8 x i32> zeroinitializer, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7> 16 %7 = getelementptr <4 x i32>, <4 x i32>* %2, i64 -1 17 store <4 x i32> %6, <4 x i32>* %7, align 16 18 ret void 19} 20 21%struct.o.1.5.7.9.13.15.17.19.57 = type { [0 x %struct.d.0.4.6.8.12.14.16.18.56] } 22%struct.d.0.4.6.8.12.14.16.18.56 = type { float, float } 23 24; CHECK-LABEL: testfn_scalar 25; CHECK: retq 26define void @testfn_scalar(%struct.o.1.5.7.9.13.15.17.19.57* nocapture %j) local_unnamed_addr #0 align 2 { 27entry: 28 %0 = bitcast i64 undef to <2 x float> 29 br i1 undef, label %if.end, label %if.then 30 31if.then: ; preds = %entry 32 unreachable 33 34if.end: ; preds = %entry 35 %call.i.i17 = tail call <4 x float> @_Z1bv() 36 %1 = bitcast <4 x float> %call.i.i17 to <2 x i64> 37 %extract.i.i15 = extractelement <2 x i64> %1, i64 0 38 %arrayidx6 = getelementptr inbounds %struct.o.1.5.7.9.13.15.17.19.57, %struct.o.1.5.7.9.13.15.17.19.57* %j, i64 0, i32 0, i64 1 39 %2 = bitcast %struct.d.0.4.6.8.12.14.16.18.56* %arrayidx6 to i64* 40 store i64 %extract.i.i15, i64* %2, align 4 41 %r.sroa.0.0..sroa_cast12 = bitcast %struct.o.1.5.7.9.13.15.17.19.57* %j to <2 x float>* 42 store <2 x float> %0, <2 x float>* %r.sroa.0.0..sroa_cast12, align 4 43 ret void 44} 45 46declare <4 x float> @_Z1bv() local_unnamed_addr 47 48attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="128" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 49 50