diff options
Diffstat (limited to 'test/Transforms/CodeGenPrepare/x86-shuffle-sink.ll')
-rw-r--r-- | test/Transforms/CodeGenPrepare/x86-shuffle-sink.ll | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/test/Transforms/CodeGenPrepare/x86-shuffle-sink.ll b/test/Transforms/CodeGenPrepare/x86-shuffle-sink.ll new file mode 100644 index 0000000000..c4ee79cd7f --- /dev/null +++ b/test/Transforms/CodeGenPrepare/x86-shuffle-sink.ll @@ -0,0 +1,102 @@ +; RUN: opt -S -codegenprepare -mtriple=x86_64-apple-macosx10.9 -mcpu=core-avx2 %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AVX2 +; RUN: opt -S -codegenprepare -mtriple=x86_64-apple-macosx10.9 -mcpu=corei7 %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SSE2 + +define <16 x i8> @test_8bit(<16 x i8> %lhs, <16 x i8> %tmp, i1 %tst) { +; CHECK-LABEL: @test_8bit +; CHECK: if_true: +; CHECK-NOT: shufflevector + +; CHECK: if_false: +; CHECK-NOT: shufflevector +; CHECK: shl <16 x i8> %lhs, %mask + %mask = shufflevector <16 x i8> %tmp, <16 x i8> undef, <16 x i32> zeroinitializer + br i1 %tst, label %if_true, label %if_false + +if_true: + ret <16 x i8> %mask + +if_false: + %res = shl <16 x i8> %lhs, %mask + ret <16 x i8> %res +} + +define <8 x i16> @test_16bit(<8 x i16> %lhs, <8 x i16> %tmp, i1 %tst) { +; CHECK-LABEL: @test_16bit +; CHECK: if_true: +; CHECK-NOT: shufflevector + +; CHECK: if_false: +; CHECK: [[SPLAT:%[0-9a-zA-Z_]+]] = shufflevector +; CHECK: shl <8 x i16> %lhs, [[SPLAT]] + %mask = shufflevector <8 x i16> %tmp, <8 x i16> undef, <8 x i32> zeroinitializer + br i1 %tst, label %if_true, label %if_false + +if_true: + ret <8 x i16> %mask + +if_false: + %res = shl <8 x i16> %lhs, %mask + ret <8 x i16> %res +} + +define <4 x i32> @test_notsplat(<4 x i32> %lhs, <4 x i32> %tmp, i1 %tst) { +; CHECK-LABEL: @test_notsplat +; CHECK: if_true: +; CHECK-NOT: shufflevector + +; CHECK: if_false: +; CHECK-NOT: shufflevector +; CHECK: shl <4 x i32> %lhs, %mask + %mask = shufflevector <4 x i32> %tmp, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 1, i32 0> + br i1 %tst, label %if_true, label %if_false + +if_true: + ret <4 x i32> %mask + +if_false: + %res = shl <4 x i32> %lhs, %mask + ret <4 x i32> %res +} + +define <4 x i32> @test_32bit(<4 x i32> %lhs, <4 x i32> %tmp, i1 %tst) { +; CHECK-AVX2-LABEL: @test_32bit +; CHECK-AVX2: if_false: +; CHECK-AVX2-NOT: shufflevector +; CHECK-AVX2: ashr <4 x i32> %lhs, %mask + +; CHECK-SSE2-LABEL: @test_32bit +; CHECK-SSE2: if_false: +; CHECK-SSE2: [[SPLAT:%[0-9a-zA-Z_]+]] = shufflevector +; CHECK-SSE2: ashr <4 x i32> %lhs, [[SPLAT]] + %mask = shufflevector <4 x i32> %tmp, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 0, i32 0> + br i1 %tst, label %if_true, label %if_false + +if_true: + ret <4 x i32> %mask + +if_false: + %res = ashr <4 x i32> %lhs, %mask + ret <4 x i32> %res +} + +define <2 x i64> @test_64bit(<2 x i64> %lhs, <2 x i64> %tmp, i1 %tst) { +; CHECK-AVX2-LABEL: @test_64bit +; CHECK-AVX2: if_false: +; CHECK-AVX2-NOT: shufflevector +; CHECK-AVX2: lshr <2 x i64> %lhs, %mask + +; CHECK-SSE2-LABEL: @test_64bit +; CHECK-SSE2: if_false: +; CHECK-SSE2: [[SPLAT:%[0-9a-zA-Z_]+]] = shufflevector +; CHECK-SSE2: lshr <2 x i64> %lhs, [[SPLAT]] + + %mask = shufflevector <2 x i64> %tmp, <2 x i64> undef, <2 x i32> zeroinitializer + br i1 %tst, label %if_true, label %if_false + +if_true: + ret <2 x i64> %mask + +if_false: + %res = lshr <2 x i64> %lhs, %mask + ret <2 x i64> %res +} |