diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/select-of-fp-constants.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/select-of-fp-constants.ll | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/select-of-fp-constants.ll b/llvm/test/CodeGen/X86/select-of-fp-constants.ll new file mode 100644 index 00000000000..84b0bc13441 --- /dev/null +++ b/llvm/test/CodeGen/X86/select-of-fp-constants.ll @@ -0,0 +1,96 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=i386-- -mattr=sse2 | FileCheck %s --check-prefixes=X32,X32_SSE,X32_SSE2 +; RUN: llc < %s -mtriple=i386-- -mattr=sse4.1 | FileCheck %s --check-prefixes=X32,X32_SSE,X32_SSE4 +; RUN: llc < %s -mtriple=i386-- -mattr=avx2 | FileCheck %s --check-prefixes=X32,X32_AVX,X32_AVX2 +; RUN: llc < %s -mtriple=i386-- -mattr=avx512f | FileCheck %s --check-prefixes=X32,X32_AVX,X32_AVX512F +; RUN: llc < %s -mtriple=x86_64-- -mattr=sse2 | FileCheck %s --check-prefixes=X64,X64_SSE,X64_SSE2 +; RUN: llc < %s -mtriple=x86_64-- -mattr=sse4.1 | FileCheck %s --check-prefixes=X64,X64_SSE,X64_SSE4 +; RUN: llc < %s -mtriple=x86_64-- -mattr=avx2 | FileCheck %s --check-prefixes=X64,X64_AVX,X64_AVX2 +; RUN: llc < %s -mtriple=x86_64-- -mattr=avx512f | FileCheck %s --check-prefixes=X64,X64_AVX,X64_AVX512F + +; This should do a single load into the fp stack for the return, not diddle with xmm registers. + +define float @icmp_select_fp_constants(i32 %x) nounwind readnone { +; X32-LABEL: icmp_select_fp_constants: +; X32: # %bb.0: +; X32-NEXT: xorl %eax, %eax +; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp) +; X32-NEXT: sete %al +; X32-NEXT: flds {{\.LCPI.*}}(,%eax,4) +; X32-NEXT: retl +; +; X64_SSE-LABEL: icmp_select_fp_constants: +; X64_SSE: # %bb.0: +; X64_SSE-NEXT: xorl %eax, %eax +; X64_SSE-NEXT: testl %edi, %edi +; X64_SSE-NEXT: sete %al +; X64_SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X64_SSE-NEXT: retq +; +; X64_AVX-LABEL: icmp_select_fp_constants: +; X64_AVX: # %bb.0: +; X64_AVX-NEXT: xorl %eax, %eax +; X64_AVX-NEXT: testl %edi, %edi +; X64_AVX-NEXT: sete %al +; X64_AVX-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X64_AVX-NEXT: retq + %c = icmp eq i32 %x, 0 + %r = select i1 %c, float 42.0, float 23.0 + ret float %r +} + +define float @fcmp_select_fp_constants(float %x) nounwind readnone { +; X32_SSE-LABEL: fcmp_select_fp_constants: +; X32_SSE: # %bb.0: +; X32_SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X32_SSE-NEXT: cmpneqss {{[0-9]+}}(%esp), %xmm0 +; X32_SSE-NEXT: movd %xmm0, %eax +; X32_SSE-NEXT: andl $1, %eax +; X32_SSE-NEXT: flds {{\.LCPI.*}}(,%eax,4) +; X32_SSE-NEXT: retl +; +; X32_AVX2-LABEL: fcmp_select_fp_constants: +; X32_AVX2: # %bb.0: +; X32_AVX2-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X32_AVX2-NEXT: vcmpneqss {{[0-9]+}}(%esp), %xmm0, %xmm0 +; X32_AVX2-NEXT: vmovd %xmm0, %eax +; X32_AVX2-NEXT: andl $1, %eax +; X32_AVX2-NEXT: flds {{\.LCPI.*}}(,%eax,4) +; X32_AVX2-NEXT: retl +; +; X32_AVX512F-LABEL: fcmp_select_fp_constants: +; X32_AVX512F: # %bb.0: +; X32_AVX512F-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X32_AVX512F-NEXT: vcmpneqss {{[0-9]+}}(%esp), %xmm0, %k0 +; X32_AVX512F-NEXT: kmovw %k0, %eax +; X32_AVX512F-NEXT: flds {{\.LCPI.*}}(,%eax,4) +; X32_AVX512F-NEXT: retl +; +; X64_SSE-LABEL: fcmp_select_fp_constants: +; X64_SSE: # %bb.0: +; X64_SSE-NEXT: cmpneqss {{.*}}(%rip), %xmm0 +; X64_SSE-NEXT: movd %xmm0, %eax +; X64_SSE-NEXT: andl $1, %eax +; X64_SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X64_SSE-NEXT: retq +; +; X64_AVX2-LABEL: fcmp_select_fp_constants: +; X64_AVX2: # %bb.0: +; X64_AVX2-NEXT: vcmpneqss {{.*}}(%rip), %xmm0, %xmm0 +; X64_AVX2-NEXT: vmovd %xmm0, %eax +; X64_AVX2-NEXT: andl $1, %eax +; X64_AVX2-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X64_AVX2-NEXT: retq +; +; X64_AVX512F-LABEL: fcmp_select_fp_constants: +; X64_AVX512F: # %bb.0: +; X64_AVX512F-NEXT: vcmpneqss {{.*}}(%rip), %xmm0, %k0 +; X64_AVX512F-NEXT: kmovw %k0, %eax +; X64_AVX512F-NEXT: movzwl %ax, %eax +; X64_AVX512F-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X64_AVX512F-NEXT: retq + %c = fcmp une float %x, -4.0 + %r = select i1 %c, float 42.0, float 23.0 + ret float %r +} + |
