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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-02-13 08:02:04 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-02-13 08:02:04 +0000 |
| commit | d29804f80d1cc26ea552b58693ce883f5b13de7a (patch) | |
| tree | aeb300a914122fd17fdf0a6d4f6184bf650ba49f /test/CodeGen | |
| parent | cef6cfe4a67af030754b4151cd63076c4aab7467 (diff) | |
Prevent insertion of "vzeroupper" before call that preserves YMM registers, since a caller uses preserved registers across the call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175043 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/avx-intel-ocl.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx-intel-ocl.ll b/test/CodeGen/X86/avx-intel-ocl.ll index 0fec9658d6..055072098a 100644 --- a/test/CodeGen/X86/avx-intel-ocl.ll +++ b/test/CodeGen/X86/avx-intel-ocl.ll @@ -127,3 +127,43 @@ define i32 @test_int(i32 %a, i32 %b) nounwind { %c = add i32 %c2, %b ret i32 %c } + +; WIN64: test_float4 +; WIN64-NOT: vzeroupper +; WIN64: call +; WIN64-NOT: vzeroupper +; WIN64: call +; WIN64: ret + +; X64: test_float4 +; X64-NOT: vzeroupper +; X64: call +; X64-NOT: vzeroupper +; X64: call +; X64: ret + +; X32: test_float4 +; X32: vzeroupper +; X32: call +; X32: vzeroupper +; X32: call +; X32: ret + +declare <4 x float> @func_float4(<4 x float>, <4 x float>, <4 x float>) + +define <8 x float> @test_float4(<8 x float> %a, <8 x float> %b, <8 x float> %c) nounwind readnone { +entry: + %0 = shufflevector <8 x float> %a, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> + %1 = shufflevector <8 x float> %b, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> + %2 = shufflevector <8 x float> %c, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> + %call.i = tail call intel_ocl_bicc <4 x float> @func_float4(<4 x float> %0, <4 x float> %1, <4 x float> %2) nounwind + %3 = shufflevector <4 x float> %call.i, <4 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> + %4 = shufflevector <8 x float> %a, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7> + %5 = shufflevector <8 x float> %b, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7> + %6 = shufflevector <8 x float> %c, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7> + %call.i2 = tail call intel_ocl_bicc <4 x float> @func_float4(<4 x float> %4, <4 x float> %5, <4 x float> %6) nounwind + %7 = shufflevector <4 x float> %call.i2, <4 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> + %8 = shufflevector <8 x float> %3, <8 x float> %7, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11> + ret <8 x float> %8 +} + |