diff options
| -rw-r--r-- | llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll index 2de9c66d463..e6fc0129614 100644 --- a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll +++ b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll @@ -425,3 +425,46 @@ define <5 x float> @insert_not_undef_shuffle_translate_commute_lengthen(float %x ret <5 x float> %r } +define <4 x float> @insert_nonzero_index_splat(float %x) { +; CHECK-LABEL: @insert_nonzero_index_splat( +; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> undef, float [[X:%.*]], i32 2 +; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> undef, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef> +; CHECK-NEXT: ret <4 x float> [[SPLAT]] +; + %xv = insertelement <4 x float> undef, float %x, i32 2 + %splat = shufflevector <4 x float> %xv, <4 x float> undef, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef> + ret <4 x float> %splat +} + +define <3 x double> @insert_nonzero_index_splat_narrow(double %x) { +; CHECK-LABEL: @insert_nonzero_index_splat_narrow( +; CHECK-NEXT: ret <3 x double> undef +; + %xv = insertelement <4 x double> undef, double %x, i32 4 + %splat = shufflevector <4 x double> %xv, <4 x double> undef, <3 x i32> <i32 4, i32 undef, i32 4> + ret <3 x double> %splat +} + +define <5 x i7> @insert_nonzero_index_splat_widen(i7 %x) { +; CHECK-LABEL: @insert_nonzero_index_splat_widen( +; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x i7> undef, i7 [[X:%.*]], i32 1 +; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x i7> [[XV]], <4 x i7> undef, <5 x i32> <i32 undef, i32 1, i32 1, i32 undef, i32 1> +; CHECK-NEXT: ret <5 x i7> [[SPLAT]] +; + %xv = insertelement <4 x i7> undef, i7 %x, i32 1 + %splat = shufflevector <4 x i7> %xv, <4 x i7> undef, <5 x i32> <i32 undef, i32 1, i32 1, i32 undef, i32 1> + ret <5 x i7> %splat +} + +define <4 x float> @insert_nonzero_index_splat_extra_use(float %x) { +; CHECK-LABEL: @insert_nonzero_index_splat_extra_use( +; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> undef, float [[X:%.*]], i32 2 +; CHECK-NEXT: call void @use(<4 x float> [[XV]]) +; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> undef, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef> +; CHECK-NEXT: ret <4 x float> [[SPLAT]] +; + %xv = insertelement <4 x float> undef, float %x, i32 2 + call void @use(<4 x float> %xv) + %splat = shufflevector <4 x float> %xv, <4 x float> undef, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef> + ret <4 x float> %splat +} |
