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| author | Nadav Rotem <nadav.rotem@intel.com> | 2012-04-08 12:54:54 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2012-04-08 12:54:54 +0000 |
| commit | 9d68b06bc5ef1157d198d52e3f6829c721d72552 (patch) | |
| tree | 85a165a9702750c22383bf07feed605036581937 /test/CodeGen/X86/avx2-vbroadcast.ll | |
| parent | 864737cc5123930f7866e2ca22be07c3e1127b11 (diff) | |
| download | llvm-9d68b06bc5ef1157d198d52e3f6829c721d72552.tar.gz llvm-9d68b06bc5ef1157d198d52e3f6829c721d72552.tar.bz2 llvm-9d68b06bc5ef1157d198d52e3f6829c721d72552.tar.xz | |
AVX2: Build splat vectors by broadcasting a scalar from the constant pool.
Previously we used three instructions to broadcast an immediate value into a
vector register.
On Sandybridge we continue to load the broadcasted value from the constant pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154284 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx2-vbroadcast.ll')
| -rw-r--r-- | test/CodeGen/X86/avx2-vbroadcast.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx2-vbroadcast.ll b/test/CodeGen/X86/avx2-vbroadcast.ll index fbabb15158..314466175e 100644 --- a/test/CodeGen/X86/avx2-vbroadcast.ll +++ b/test/CodeGen/X86/avx2-vbroadcast.ll @@ -150,3 +150,24 @@ entry: %vecinit2.i = insertelement <2 x double> %vecinit.i, double %q, i32 1 ret <2 x double> %vecinit2.i } + +; CHECK: V111 +; CHECK: vpbroadcastd +; CHECK: ret +define <8 x i32> @V111(<8 x i32> %in) nounwind uwtable readnone ssp { +entry: + %g = add <8 x i32> %in, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1> + ret <8 x i32> %g +} + +; CHECK: _e2 +; CHECK: vbroadcastss +; CHECK: ret +define <4 x float> @_e2(float* %ptr) nounwind uwtable readnone ssp { + %vecinit.i = insertelement <4 x float> undef, float 0xbf80000000000000, i32 0 + %vecinit2.i = insertelement <4 x float> %vecinit.i, float 0xbf80000000000000, i32 1 + %vecinit4.i = insertelement <4 x float> %vecinit2.i, float 0xbf80000000000000, i32 2 + %vecinit6.i = insertelement <4 x float> %vecinit4.i, float 0xbf80000000000000, i32 3 + ret <4 x float> %vecinit6.i +} + |