diff options
Diffstat (limited to 'test/CodeGen/X86/widen_shuffle-1.ll')
| -rw-r--r-- | test/CodeGen/X86/widen_shuffle-1.ll | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/test/CodeGen/X86/widen_shuffle-1.ll b/test/CodeGen/X86/widen_shuffle-1.ll index 47dba4b..25dde57 100644 --- a/test/CodeGen/X86/widen_shuffle-1.ll +++ b/test/CodeGen/X86/widen_shuffle-1.ll @@ -1,13 +1,46 @@ ; RUN: llc < %s -march=x86 -mattr=+sse42 -disable-mmx | FileCheck %s -; CHECK: insertps -; CHECK: extractps ; widening shuffle v3float and then a add - define void @shuf(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind { entry: +; CHECK: insertps +; CHECK: extractps %x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 1, i32 2> %val = fadd <3 x float> %x, %src2 store <3 x float> %val, <3 x float>* %dst.addr ret void } + + +; widening shuffle v3float with a different mask and then a add +define void @shuf2(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind { +entry: +; CHECK: insertps +; CHECK: extractps + %x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 4, i32 2> + %val = fadd <3 x float> %x, %src2 + store <3 x float> %val, <3 x float>* %dst.addr + ret void +} + +; Example of when widening a v3float operation causes the DAG to replace a node +; with the operation that we are currently widening, i.e. when replacing +; opA with opB, the DAG will produce new operations with opA. +define void @shuf3(<4 x float> %tmp10, <4 x float> %vecinit15, <4 x float>* %dst) { +entry: +; CHECK: pshufd + %shuffle.i.i.i12 = shufflevector <4 x float> %tmp10, <4 x float> %vecinit15, <4 x i32> <i32 0, i32 1, i32 4, i32 5> + %tmp25.i.i = shufflevector <4 x float> %shuffle.i.i.i12, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2> + %tmp1.i.i = shufflevector <3 x float> %tmp25.i.i, <3 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3> + %tmp3.i13 = shufflevector <4 x float> %tmp1.i.i, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2> ; <<3 x float>> + %tmp6.i14 = shufflevector <3 x float> %tmp3.i13, <3 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3> + %tmp97.i = shufflevector <4 x float> %tmp6.i14, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2> + %tmp2.i18 = shufflevector <3 x float> %tmp97.i, <3 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 2> + %t5 = bitcast <4 x float> %tmp2.i18 to <4 x i32> + %shr.i.i19 = lshr <4 x i32> %t5, <i32 19, i32 19, i32 19, i32 19> + %and.i.i20 = and <4 x i32> %shr.i.i19, <i32 4080, i32 4080, i32 4080, i32 4080> + %shuffle.i.i.i21 = shufflevector <4 x float> %tmp2.i18, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 2, i32 3> + store <4 x float> %shuffle.i.i.i21, <4 x float>* %dst + ret void +} + |
