mirror of
https://github.com/c64scene-ar/llvm-6502.git
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d0976a3d20
This extends the select lowering to support floating-point selects. The lowering depends on SSE instructions and that the conditon comes from a floating-point compare. Under this conditions it is possible to emit an optimized instruction sequence that doesn't require any branches to simulate the select. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211544 91177308-0d34-0410-b5e6-96231b3b80d8
392 lines
14 KiB
LLVM
392 lines
14 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -fast-isel -fast-isel-abort | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=corei7-avx | FileCheck %s --check-prefix=AVX
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -fast-isel -fast-isel-abort -mcpu=corei7-avx | FileCheck %s --check-prefix=AVX
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; Test all cmp predicates that can be used with SSE.
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define float @select_fcmp_oeq_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_oeq_f32
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; CHECK: cmpeqss %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_oeq_f32
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; AVX: vcmpeqss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp oeq float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_oeq_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_oeq_f64
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; CHECK: cmpeqsd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_oeq_f64
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; AVX: vcmpeqsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp oeq double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_ogt_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_ogt_f32
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; CHECK: cmpltss %xmm0, %xmm1
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; CHECK-NEXT: andps %xmm1, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm1
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; CHECK-NEXT: orps %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_ogt_f32
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; AVX: vcmpltss %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp ogt float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_ogt_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_ogt_f64
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; CHECK: cmpltsd %xmm0, %xmm1
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; CHECK-NEXT: andpd %xmm1, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm1
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; CHECK-NEXT: orpd %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_ogt_f64
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; AVX: vcmpltsd %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp ogt double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_oge_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_oge_f32
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; CHECK: cmpless %xmm0, %xmm1
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; CHECK-NEXT: andps %xmm1, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm1
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; CHECK-NEXT: orps %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_oge_f32
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; AVX: vcmpless %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp oge float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_oge_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_oge_f64
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; CHECK: cmplesd %xmm0, %xmm1
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; CHECK-NEXT: andpd %xmm1, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm1
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; CHECK-NEXT: orpd %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_oge_f64
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; AVX: vcmplesd %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp oge double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_olt_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_olt_f32
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; CHECK: cmpltss %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_olt_f32
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; AVX: vcmpltss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp olt float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_olt_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_olt_f64
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; CHECK: cmpltsd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_olt_f64
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; AVX: vcmpltsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp olt double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_ole_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_ole_f32
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; CHECK: cmpless %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_ole_f32
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; AVX: vcmpless %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp ole float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_ole_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_ole_f64
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; CHECK: cmplesd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_ole_f64
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; AVX: vcmplesd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp ole double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_ord_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_ord_f32
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; CHECK: cmpordss %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_ord_f32
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; AVX: vcmpordss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp ord float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_ord_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_ord_f64
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; CHECK: cmpordsd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_ord_f64
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; AVX: vcmpordsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp ord double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_uno_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_uno_f32
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; CHECK: cmpunordss %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_uno_f32
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; AVX: vcmpunordss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp uno float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_uno_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_uno_f64
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; CHECK: cmpunordsd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_uno_f64
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; AVX: vcmpunordsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp uno double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_ugt_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_ugt_f32
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; CHECK: cmpnless %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_ugt_f32
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; AVX: vcmpnless %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp ugt float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_ugt_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_ugt_f64
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; CHECK: cmpnlesd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_ugt_f64
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; AVX: vcmpnlesd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp ugt double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_uge_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_uge_f32
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; CHECK: cmpnltss %xmm1, %xmm0
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; CHECK-NEXT: andps %xmm0, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm0
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; CHECK-NEXT: orps %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_uge_f32
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; AVX: vcmpnltss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp uge float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_uge_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_uge_f64
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; CHECK: cmpnltsd %xmm1, %xmm0
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; CHECK-NEXT: andpd %xmm0, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm0
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; CHECK-NEXT: orpd %xmm2, %xmm0
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; AVX-LABEL: select_fcmp_uge_f64
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; AVX: vcmpnltsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp uge double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_ult_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_ult_f32
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; CHECK: cmpnless %xmm0, %xmm1
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; CHECK-NEXT: andps %xmm1, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm1
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; CHECK-NEXT: orps %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_ult_f32
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; AVX: vcmpnless %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp ult float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_ult_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_ult_f64
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; CHECK: cmpnlesd %xmm0, %xmm1
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; CHECK-NEXT: andpd %xmm1, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm1
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; CHECK-NEXT: orpd %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_ult_f64
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; AVX: vcmpnlesd %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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%1 = fcmp ult double %a, %b
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%2 = select i1 %1, double %c, double %d
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ret double %2
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}
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define float @select_fcmp_ule_f32(float %a, float %b, float %c, float %d) {
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; CHECK-LABEL: select_fcmp_ule_f32
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; CHECK: cmpnltss %xmm0, %xmm1
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; CHECK-NEXT: andps %xmm1, %xmm2
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; CHECK-NEXT: andnps %xmm3, %xmm1
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; CHECK-NEXT: orps %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_ule_f32
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; AVX: vcmpnltss %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
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%1 = fcmp ule float %a, %b
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%2 = select i1 %1, float %c, float %d
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ret float %2
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}
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define double @select_fcmp_ule_f64(double %a, double %b, double %c, double %d) {
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; CHECK-LABEL: select_fcmp_ule_f64
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; CHECK: cmpnltsd %xmm0, %xmm1
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; CHECK-NEXT: andpd %xmm1, %xmm2
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; CHECK-NEXT: andnpd %xmm3, %xmm1
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; CHECK-NEXT: orpd %xmm2, %xmm1
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; AVX-LABEL: select_fcmp_ule_f64
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; AVX: vcmpnltsd %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
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; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
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; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
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|
%1 = fcmp ule double %a, %b
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|
%2 = select i1 %1, double %c, double %d
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|
ret double %2
|
|
}
|
|
|
|
define float @select_fcmp_une_f32(float %a, float %b, float %c, float %d) {
|
|
; CHECK-LABEL: select_fcmp_une_f32
|
|
; CHECK: cmpneqss %xmm1, %xmm0
|
|
; CHECK-NEXT: andps %xmm0, %xmm2
|
|
; CHECK-NEXT: andnps %xmm3, %xmm0
|
|
; CHECK-NEXT: orps %xmm2, %xmm0
|
|
; AVX-LABEL: select_fcmp_une_f32
|
|
; AVX: vcmpneqss %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vandps %xmm2, %xmm0, %xmm1
|
|
; AVX-NEXT: vandnps %xmm3, %xmm0, %xmm0
|
|
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
|
|
%1 = fcmp une float %a, %b
|
|
%2 = select i1 %1, float %c, float %d
|
|
ret float %2
|
|
}
|
|
|
|
define double @select_fcmp_une_f64(double %a, double %b, double %c, double %d) {
|
|
; CHECK-LABEL: select_fcmp_une_f64
|
|
; CHECK: cmpneqsd %xmm1, %xmm0
|
|
; CHECK-NEXT: andpd %xmm0, %xmm2
|
|
; CHECK-NEXT: andnpd %xmm3, %xmm0
|
|
; CHECK-NEXT: orpd %xmm2, %xmm0
|
|
; AVX-LABEL: select_fcmp_une_f64
|
|
; AVX: vcmpneqsd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vandpd %xmm2, %xmm0, %xmm1
|
|
; AVX-NEXT: vandnpd %xmm3, %xmm0, %xmm0
|
|
; AVX-NEXT: vorpd %xmm1, %xmm0, %xmm0
|
|
%1 = fcmp une double %a, %b
|
|
%2 = select i1 %1, double %c, double %d
|
|
ret double %2
|
|
}
|
|
|