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| author | Michael Liao <michael.liao@intel.com> | 2013-03-20 02:33:21 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2013-03-20 02:33:21 +0000 |
| commit | 42317ccb5fed9de14118e1c48417b814d94e3d28 (patch) | |
| tree | 7e3f12bd4efa3e2f5d9e7d1953616fab422d7864 /test | |
| parent | 5c5f1908f0abd187620d3fc660bf74fe6a8c531b (diff) | |
Fix PR15296
- Move SRA/SRL/SHL lowering support from DAG combination to DAG lowering
to support extended 256-bit integer in AVX but not AVX2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177478 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/pr15296.ll | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr15296.ll b/test/CodeGen/X86/pr15296.ll new file mode 100644 index 0000000000..1187d80cdf --- /dev/null +++ b/test/CodeGen/X86/pr15296.ll @@ -0,0 +1,46 @@ +; RUN: llc < %s -mtriple=i686-pc-linux -mcpu=corei7-avx | FileCheck %s + +define <8 x i32> @shiftInput___vyuunu(<8 x i32> %input, i32 %shiftval, <8 x i32> %__mask) nounwind { +allocas: + %smear.0 = insertelement <8 x i32> undef, i32 %shiftval, i32 0 + %smear.1 = insertelement <8 x i32> %smear.0, i32 %shiftval, i32 1 + %smear.2 = insertelement <8 x i32> %smear.1, i32 %shiftval, i32 2 + %smear.3 = insertelement <8 x i32> %smear.2, i32 %shiftval, i32 3 + %smear.4 = insertelement <8 x i32> %smear.3, i32 %shiftval, i32 4 + %smear.5 = insertelement <8 x i32> %smear.4, i32 %shiftval, i32 5 + %smear.6 = insertelement <8 x i32> %smear.5, i32 %shiftval, i32 6 + %smear.7 = insertelement <8 x i32> %smear.6, i32 %shiftval, i32 7 + %bitop = lshr <8 x i32> %input, %smear.7 + ret <8 x i32> %bitop +} + +; CHECK: shiftInput___vyuunu +; CHECK: psrld +; CHECK: psrld +; CHECK: ret + +define <8 x i32> @shiftInput___canonical(<8 x i32> %input, i32 %shiftval, <8 x i32> %__mask) nounwind { +allocas: + %smear.0 = insertelement <8 x i32> undef, i32 %shiftval, i32 0 + %smear.7 = shufflevector <8 x i32> %smear.0, <8 x i32> undef, <8 x i32> zeroinitializer + %bitop = lshr <8 x i32> %input, %smear.7 + ret <8 x i32> %bitop +} + +; CHECK: shiftInput___canonical +; CHECK: psrld +; CHECK: psrld +; CHECK: ret + +define <4 x i64> @shiftInput___64in32bitmode(<4 x i64> %input, i64 %shiftval, <4 x i64> %__mask) nounwind { +allocas: + %smear.0 = insertelement <4 x i64> undef, i64 %shiftval, i32 0 + %smear.7 = shufflevector <4 x i64> %smear.0, <4 x i64> undef, <4 x i32> zeroinitializer + %bitop = lshr <4 x i64> %input, %smear.7 + ret <4 x i64> %bitop +} + +; CHECK: shiftInput___64in32bitmode +; CHECK: psrlq +; CHECK: psrlq +; CHECK: ret |