diff options
| author | Craig Topper <craig.topper@intel.com> | 2019-05-31 06:21:49 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2019-05-31 06:21:49 +0000 |
| commit | 73b07284df2760433da1294f445ea6f8f8eabce9 (patch) | |
| tree | bcc51e5d00c8c1bed396cc473fe3990985cd6e30 | |
| parent | 8cb076ec6e0f49805441c2adc54547c6363adba6 (diff) | |
| download | bcm5719-llvm-73b07284df2760433da1294f445ea6f8f8eabce9.tar.gz bcm5719-llvm-73b07284df2760433da1294f445ea6f8f8eabce9.zip | |
[X86] Add test to show missed opportunity to use masked vcvtps2pd for vselect+extload.
llvm-svn: 362198
| -rw-r--r-- | llvm/test/CodeGen/X86/avx512-cvt.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/avx512-cvt.ll b/llvm/test/CodeGen/X86/avx512-cvt.ll index ff1eadcf9ca..aa7f533c1d4 100644 --- a/llvm/test/CodeGen/X86/avx512-cvt.ll +++ b/llvm/test/CodeGen/X86/avx512-cvt.ll @@ -778,6 +778,30 @@ define <4 x double> @f32to4f64_mask(<4 x float> %b, <4 x double> %b1, <4 x doubl ret <4 x double> %c } +define <4 x double> @f32to4f64_mask_load(<4 x float>* %p, <4 x double> %b1, <4 x double> %a1) { +; NOVL-LABEL: f32to4f64_mask_load: +; NOVL: # %bb.0: +; NOVL-NEXT: # kill: def $ymm1 killed $ymm1 def $zmm1 +; NOVL-NEXT: # kill: def $ymm0 killed $ymm0 def $zmm0 +; NOVL-NEXT: vcvtps2pd (%rdi), %ymm2 +; NOVL-NEXT: vcmpltpd %zmm1, %zmm0, %k1 +; NOVL-NEXT: vmovapd %zmm2, %zmm0 {%k1} {z} +; NOVL-NEXT: # kill: def $ymm0 killed $ymm0 killed $zmm0 +; NOVL-NEXT: retq +; +; VL-LABEL: f32to4f64_mask_load: +; VL: # %bb.0: +; VL-NEXT: vcvtps2pd (%rdi), %ymm2 +; VL-NEXT: vcmpltpd %ymm1, %ymm0, %k1 +; VL-NEXT: vmovapd %ymm2, %ymm0 {%k1} {z} +; VL-NEXT: retq + %b = load <4 x float>, <4 x float>* %p + %a = fpext <4 x float> %b to <4 x double> + %mask = fcmp ogt <4 x double> %a1, %b1 + %c = select <4 x i1> %mask, <4 x double> %a, <4 x double> zeroinitializer + ret <4 x double> %c +} + define <2 x double> @f32tof64_inreg(<2 x double> %a0, <4 x float> %a1) nounwind { ; ALL-LABEL: f32tof64_inreg: ; ALL: # %bb.0: |
