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Diffstat (limited to 'test/CodeGen/X86/combine-vec-shuffle-2.ll')
-rw-r--r-- | test/CodeGen/X86/combine-vec-shuffle-2.ll | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/test/CodeGen/X86/combine-vec-shuffle-2.ll b/test/CodeGen/X86/combine-vec-shuffle-2.ll deleted file mode 100644 index 7ab7f80..0000000 --- a/test/CodeGen/X86/combine-vec-shuffle-2.ll +++ /dev/null @@ -1,164 +0,0 @@ -; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s - -; Check that DAGCombiner correctly folds the following pairs of shuffles -; using the following rules: -; 1. shuffle(shuffle(x, y), undef) -> x -; 2. shuffle(shuffle(x, y), undef) -> y -; 3. shuffle(shuffle(x, y), undef) -> shuffle(x, undef) -; 4. shuffle(shuffle(x, y), undef) -> shuffle(undef, y) -; -; Rules 3. and 4. are used only if the resulting shuffle mask is legal. - -define <4 x i32> @test1(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 4, i32 3, i32 1> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 3> - ret <4 x i32> %2 -} -; CHECK-LABEL: test1 -; Mask: [3,0,0,1] -; CHECK: pshufd $67 -; CHECK-NEXT: ret - - -define <4 x i32> @test2(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 3> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 3> - ret <4 x i32> %2 -} -; CHECK-LABEL: test2 -; Mask: [2,0,0,3] -; CHECK: pshufd $-62 -; CHECK-NEXT: ret - - -define <4 x i32> @test3(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 6, i32 2, i32 3> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 3> - ret <4 x i32> %2 -} -; CHECK-LABEL: test3 -; Mask: [2,0,0,3] -; CHECK: pshufd $-62 -; CHECK-NEXT: ret - - -define <4 x i32> @test4(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 4, i32 7, i32 1> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 4, i32 4, i32 0, i32 3> - ret <4 x i32> %2 -} -; CHECK-LABEL: test4 -; Mask: [0,0,0,1] -; CHECK: pshufd $64 -; CHECK-NEXT: ret - - -define <4 x i32> @test5(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 5, i32 5, i32 2, i32 3> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 4, i32 3> - ret <4 x i32> %2 -} -; CHECK-LABEL: test5 -; Mask: [1,1] -; CHECK: movhlps -; CHECK-NEXT: ret - - -define <4 x i32> @test6(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 6, i32 2, i32 4> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 4> - ret <4 x i32> %2 -} -; CHECK-LABEL: test6 -; Mask: [2,0,0,0] -; CHECK: pshufd $2 -; CHECK-NEXT: ret - - -define <4 x i32> @test7(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 7> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 0, i32 2> - ret <4 x i32> %2 -} -; CHECK-LABEL: test7 -; Mask: [0,2,0,2] -; CHECK: pshufd $-120 -; CHECK-NEXT: ret - - -define <4 x i32> @test8(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 1, i32 6, i32 3> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 4, i32 3, i32 4> - ret <4 x i32> %2 -} -; CHECK-LABEL: test8 -; Mask: [1,0,3,0] -; CHECK: pshufd $49 -; CHECK-NEXT: ret - - -define <4 x i32> @test9(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 3, i32 2, i32 5> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 4, i32 2> - ret <4 x i32> %2 -} -; CHECK-LABEL: test9 -; Mask: [1,3,0,2] -; CHECK: pshufd $-115 -; CHECK-NEXT: ret - - -define <4 x i32> @test10(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 1, i32 5, i32 5> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 4> - ret <4 x i32> %2 -} -; CHECK-LABEL: test10 -; Mask: [1,0,1,0] -; CHECK: pshufd $17 -; CHECK-NEXT: ret - - -define <4 x i32> @test11(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 2, i32 5, i32 4> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 0> - ret <4 x i32> %2 -} -; CHECK-LABEL: test11 -; Mask: [1,0,2,1] -; CHECK: pshufd $97 -; CHECK-NEXT: ret - - -define <4 x i32> @test12(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 0, i32 2, i32 4> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 4, i32 0, i32 4> - ret <4 x i32> %2 -} -; CHECK-LABEL: test12 -; Mask: [0,0,0,0] -; CHECK: pshufd $0 -; CHECK-NEXT: ret - - -; The following pair of shuffles is folded into vector %A. -define <4 x i32> @test13(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 4, i32 2, i32 6> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 4, i32 0, i32 2, i32 4> - ret <4 x i32> %2 -} -; CHECK-LABEL: test13 -; CHECK-NOT: pshufd -; CHECK: ret - - -; The following pair of shuffles is folded into vector %B. -define <4 x i32> @test14(<4 x i32> %A, <4 x i32> %B) { - %1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 6, i32 2, i32 4> - %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 3, i32 4, i32 1, i32 4> - ret <4 x i32> %2 -} -; CHECK-LABEL: test14 -; CHECK-NOT: pshufd -; CHECK: ret - |