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| author | Sanjay Patel <spatel@rotateright.com> | 2015-11-30 22:39:36 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2015-11-30 22:39:36 +0000 |
| commit | 8b1fb3daba2f297c9c14caa1cd8aab98b3b03098 (patch) | |
| tree | ad4eb8a1fd012c2f8aeeb93eb46ed9d3465925fd /llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll | |
| parent | 6f12d3335d03f7e5db35f8af482e9d71840da601 (diff) | |
| download | bcm5719-llvm-8b1fb3daba2f297c9c14caa1cd8aab98b3b03098.tar.gz bcm5719-llvm-8b1fb3daba2f297c9c14caa1cd8aab98b3b03098.zip | |
[InstCombine] add tests to show potential vector IR shuffle transforms
llvm-svn: 254342
Diffstat (limited to 'llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll index 8929c82def7..6841cd64abe 100644 --- a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll +++ b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll @@ -24,14 +24,57 @@ define <4 x i16> @test2(<8 x i16> %in, <8 x i16> %in2) { ret <4 x i16> %vec.3 } -define <2 x i64> @test_vcopyq_lane_p64(<2 x i64> %a, <1 x i64> %b) #0 { +define <2 x i64> @test_vcopyq_lane_p64(<2 x i64> %a, <1 x i64> %b) { ; CHECK-LABEL: @test_vcopyq_lane_p64 -; CHECK: extractelement -; CHECK: insertelement -; CHECK-NOT: shufflevector -entry: +; CHECK-NEXT: extractelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: ret <2 x i64> %res %elt = extractelement <1 x i64> %b, i32 0 %res = insertelement <2 x i64> %a, i64 %elt, i32 1 ret <2 x i64> %res } +; PR2109: https://llvm.org/bugs/show_bug.cgi?id=2109 + +define <4 x float> @widen_extract2(<4 x float> %ins, <2 x float> %ext) { +; CHECK-LABEL: @widen_extract2( +; CHECK-NEXT: extractelement +; CHECK-NEXT: extractelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: ret <4 x float> %i2 + %e1 = extractelement <2 x float> %ext, i32 0 + %e2 = extractelement <2 x float> %ext, i32 1 + %i1 = insertelement <4 x float> %ins, float %e1, i32 1 + %i2 = insertelement <4 x float> %i1, float %e2, i32 3 + ret <4 x float> %i2 +} + +define <4 x float> @widen_extract3(<4 x float> %ins, <3 x float> %ext) { +; CHECK-LABEL: @widen_extract3( +; CHECK-NEXT: extractelement +; CHECK-NEXT: extractelement +; CHECK-NEXT: extractelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: ret <4 x float> %i3 + %e1 = extractelement <3 x float> %ext, i32 0 + %e2 = extractelement <3 x float> %ext, i32 1 + %e3 = extractelement <3 x float> %ext, i32 2 + %i1 = insertelement <4 x float> %ins, float %e1, i32 2 + %i2 = insertelement <4 x float> %i1, float %e2, i32 1 + %i3 = insertelement <4 x float> %i2, float %e3, i32 0 + ret <4 x float> %i3 +} + +define <8 x float> @too_wide(<8 x float> %ins, <2 x float> %ext) { +; CHECK-LABEL: @too_wide( +; CHECK-NEXT: extractelement +; CHECK-NEXT: insertelement +; CHECK-NEXT: ret <8 x float> %i1 + %e1 = extractelement <2 x float> %ext, i32 0 + %i1 = insertelement <8 x float> %ins, float %e1, i32 2 + ret <8 x float> %i1 +} + |
