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| author | Nadav Rotem <nadav.rotem@intel.com> | 2012-07-15 12:26:30 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2012-07-15 12:26:30 +0000 |
| commit | aec9f382dd08799a9676f27fc7766a27897ab8b6 (patch) | |
| tree | e7bc6f5982a75a1869b0cd43a1fdd405959a1e5e /test | |
| parent | b87bdac6a3de4ab83e23bf808f990e4bb7eade5e (diff) | |
| download | external_llvm-aec9f382dd08799a9676f27fc7766a27897ab8b6.zip external_llvm-aec9f382dd08799a9676f27fc7766a27897ab8b6.tar.gz external_llvm-aec9f382dd08799a9676f27fc7766a27897ab8b6.tar.bz2 | |
Rename VBROADCASTSDrm into VBROADCASTSDYrm to match the naming convention.
Allow the folding of vbroadcastRR to vbroadcastRM, where the memory operand is a spill slot.
PR12782.
Together with Michael Kuperstein <michael.m.kuperstein@intel.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160230 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/2012-07-15-broadcastfold.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2012-07-15-broadcastfold.ll b/test/CodeGen/X86/2012-07-15-broadcastfold.ll new file mode 100644 index 0000000..6a7bb63 --- /dev/null +++ b/test/CodeGen/X86/2012-07-15-broadcastfold.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -march=x86 -mcpu=corei7 -mattr=+avx2 | FileCheck %s + +declare x86_fastcallcc i64 @barrier() + +;CHECK: bcast_fold +;CHECK: vbroadcastss -24(%ebp), %ymm0 # 16-byte Folded Reload +;CHECK: ret +define <8 x float> @bcast_fold( float* %A) { +BB: + %A0 = load float* %A + %tt3 = call x86_fastcallcc i64 @barrier() + br i1 undef, label %work, label %exit + +work: + %A1 = insertelement <8 x float> undef, float %A0, i32 0 + %A2 = shufflevector <8 x float> %A1, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0> + ret <8 x float> %A2 + +exit: + ret <8 x float> undef +} |