96 lines
3.8 KiB
LLVM
96 lines
3.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i386-- -mattr=sse2 | FileCheck %s --check-prefixes=X86,X86-SSE
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; RUN: llc < %s -mtriple=i386-- -mattr=sse4.1 | FileCheck %s --check-prefixes=X86,X86-SSE
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; RUN: llc < %s -mtriple=i386-- -mattr=avx2 | FileCheck %s --check-prefixes=X86,X86-AVX2
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; RUN: llc < %s -mtriple=i386-- -mattr=avx512f | FileCheck %s --check-prefixes=X86,X86-AVX512F
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; RUN: llc < %s -mtriple=x86_64-- -mattr=sse2 | FileCheck %s --check-prefix=X64-SSE
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; RUN: llc < %s -mtriple=x86_64-- -mattr=sse4.1 | FileCheck %s --check-prefix=X64-SSE
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; RUN: llc < %s -mtriple=x86_64-- -mattr=avx2 | FileCheck %s --check-prefixes=X64-AVX,X64-AVX2
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; RUN: llc < %s -mtriple=x86_64-- -mattr=avx512f | FileCheck %s --check-prefixes=X64-AVX,X64-AVX512F
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; This should do a single load into the fp stack for the return, not diddle with xmm registers.
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define float @icmp_select_fp_constants(i32 %x) nounwind readnone {
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; X86-LABEL: icmp_select_fp_constants:
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; X86: # %bb.0:
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X86-NEXT: sete %al
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; X86-NEXT: flds {{\.LCPI.*}}(,%eax,4)
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; X86-NEXT: retl
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;
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; X64-SSE-LABEL: icmp_select_fp_constants:
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; X64-SSE: # %bb.0:
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; X64-SSE-NEXT: xorl %eax, %eax
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; X64-SSE-NEXT: testl %edi, %edi
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; X64-SSE-NEXT: sete %al
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; X64-SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-SSE-NEXT: retq
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;
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; X64-AVX-LABEL: icmp_select_fp_constants:
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; X64-AVX: # %bb.0:
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; X64-AVX-NEXT: xorl %eax, %eax
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; X64-AVX-NEXT: testl %edi, %edi
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; X64-AVX-NEXT: sete %al
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; X64-AVX-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-AVX-NEXT: retq
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%c = icmp eq i32 %x, 0
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%r = select i1 %c, float 42.0, float 23.0
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ret float %r
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}
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define float @fcmp_select_fp_constants(float %x) nounwind readnone {
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; X86-SSE-LABEL: fcmp_select_fp_constants:
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; X86-SSE: # %bb.0:
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; X86-SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X86-SSE-NEXT: cmpneqss {{[0-9]+}}(%esp), %xmm0
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; X86-SSE-NEXT: movd %xmm0, %eax
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; X86-SSE-NEXT: andl $1, %eax
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; X86-SSE-NEXT: flds {{\.LCPI.*}}(,%eax,4)
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; X86-SSE-NEXT: retl
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;
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; X86-AVX2-LABEL: fcmp_select_fp_constants:
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; X86-AVX2: # %bb.0:
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; X86-AVX2-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X86-AVX2-NEXT: vcmpneqss {{[0-9]+}}(%esp), %xmm0, %xmm0
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; X86-AVX2-NEXT: vmovd %xmm0, %eax
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; X86-AVX2-NEXT: andl $1, %eax
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; X86-AVX2-NEXT: flds {{\.LCPI.*}}(,%eax,4)
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; X86-AVX2-NEXT: retl
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;
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; X86-AVX512F-LABEL: fcmp_select_fp_constants:
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; X86-AVX512F: # %bb.0:
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; X86-AVX512F-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X86-AVX512F-NEXT: vcmpneqss {{\.LCPI.*}}, %xmm0, %k0
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; X86-AVX512F-NEXT: kmovw %k0, %eax
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; X86-AVX512F-NEXT: flds {{\.LCPI.*}}(,%eax,4)
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; X86-AVX512F-NEXT: retl
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;
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; X64-SSE-LABEL: fcmp_select_fp_constants:
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; X64-SSE: # %bb.0:
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; X64-SSE-NEXT: cmpneqss {{.*}}(%rip), %xmm0
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; X64-SSE-NEXT: movd %xmm0, %eax
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; X64-SSE-NEXT: andl $1, %eax
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; X64-SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-SSE-NEXT: retq
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;
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; X64-AVX2-LABEL: fcmp_select_fp_constants:
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; X64-AVX2: # %bb.0:
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; X64-AVX2-NEXT: vcmpneqss {{.*}}(%rip), %xmm0, %xmm0
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; X64-AVX2-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X64-AVX2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X64-AVX2-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0
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; X64-AVX2-NEXT: retq
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;
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; X64-AVX512F-LABEL: fcmp_select_fp_constants:
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; X64-AVX512F: # %bb.0:
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; X64-AVX512F-NEXT: vcmpneqss {{.*}}(%rip), %xmm0, %k1
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; X64-AVX512F-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-AVX512F-NEXT: vmovss {{.*}}(%rip), %xmm0 {%k1}
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; X64-AVX512F-NEXT: retq
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%c = fcmp une float %x, -4.0
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%r = select i1 %c, float 42.0, float 23.0
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ret float %r
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}
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