diff options
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/SROA/vector-promotion.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/SROA/vector-promotion.ll b/test/Transforms/SROA/vector-promotion.ll index bb34e3f084..f957fef6dd 100644 --- a/test/Transforms/SROA/vector-promotion.ll +++ b/test/Transforms/SROA/vector-promotion.ll @@ -279,6 +279,41 @@ entry: ; CHECK-NEXT: ret <4 x i32> %[[ret]] } +declare void @llvm.memset.p0i32.i32(i32* nocapture, i32, i32, i32, i1) nounwind + +define <4 x i32> @test_subvec_memset() { +; CHECK: @test_subvec_memset +entry: + %a = alloca <4 x i32> +; CHECK-NOT: alloca + + %a.gep0 = getelementptr <4 x i32>* %a, i32 0, i32 0 + %a.cast0 = bitcast i32* %a.gep0 to i8* + call void @llvm.memset.p0i8.i32(i8* %a.cast0, i8 0, i32 8, i32 0, i1 false) +; CHECK-NOT: store +; CHECK: %[[insert1:.*]] = shufflevector <4 x i32> <i32 0, i32 0, i32 undef, i32 undef>, <4 x i32> undef, <4 x i32> <i32 0, i32 1, {{.*}}> + + %a.gep1 = getelementptr <4 x i32>* %a, i32 0, i32 1 + %a.cast1 = bitcast i32* %a.gep1 to i8* + call void @llvm.memset.p0i8.i32(i8* %a.cast1, i8 1, i32 8, i32 0, i1 false) +; CHECK-NEXT: %[[insert2:.*]] = shufflevector <4 x i32> <i32 undef, i32 16843009, i32 16843009, i32 undef>, <4 x i32> %[[insert1]], <4 x i32> <i32 4, i32 1, i32 2, {{.*}}> + + %a.gep2 = getelementptr <4 x i32>* %a, i32 0, i32 2 + %a.cast2 = bitcast i32* %a.gep2 to i8* + call void @llvm.memset.p0i8.i32(i8* %a.cast2, i8 3, i32 8, i32 0, i1 false) +; CHECK-NEXT: %[[insert3:.*]] = shufflevector <4 x i32> <i32 undef, i32 undef, i32 50529027, i32 50529027>, <4 x i32> %[[insert2]], <4 x i32> <i32 4, i32 5, i32 2, i32 3> + + %a.gep3 = getelementptr <4 x i32>* %a, i32 0, i32 3 + %a.cast3 = bitcast i32* %a.gep3 to i8* + call void @llvm.memset.p0i8.i32(i8* %a.cast3, i8 7, i32 4, i32 0, i1 false) +; CHECK-NEXT: %[[insert4:.*]] = insertelement <4 x i32> %[[insert3]], i32 117901063, i32 3 + + %ret = load <4 x i32>* %a + + ret <4 x i32> %ret +; CHECK-NEXT: ret <4 x i32> %[[insert4]] +} + define i32 @PR14212() { ; CHECK: @PR14212 ; This caused a crash when "splitting" the load of the i32 in order to promote |