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llvm-mirror/test/CodeGen/X86/avx512-unsafe-fp-math.ll
Benjamin Kramer 4240cc4eb1 [X86] Specifically limit fmin/fmax commutativity to NoNaNs + NoSignedZeros
The backend UnsafeFPMath flag is not a superset of all the others, so
limit it to the exact bits needed.
2019-11-05 19:34:06 +01:00

111 lines
4.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64 -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -mattr=+avx512f | FileCheck %s --check-prefix=CHECK_UNSAFE --check-prefix=AVX512F_UNSAFE
; RUN: llc < %s -mtriple=x86_64 -enable-no-nans-fp-math -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512F
; RUN: llc < %s -mtriple=x86_64 -enable-no-signed-zeros-fp-math -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512
; RUN: llc < %s -mtriple=x86_64 -enable-unsafe-fp-math -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512
; RUN: llc < %s -mtriple=x86_64 -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512
define <16 x float> @test_max_v16f32(<16 x float> * %a_ptr, <16 x float> %b) {
; CHECK_UNSAFE-LABEL: test_max_v16f32:
; CHECK_UNSAFE: # %bb.0:
; CHECK_UNSAFE-NEXT: vmaxps (%rdi), %zmm0, %zmm0
; CHECK_UNSAFE-NEXT: retq
;
; CHECK-LABEL: test_max_v16f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovaps (%rdi), %zmm1
; CHECK-NEXT: vmaxps %zmm0, %zmm1, %zmm0
; CHECK-NEXT: retq
%a = load <16 x float>, <16 x float>* %a_ptr
%tmp = fcmp fast ogt <16 x float> %a, %b
%tmp4 = select <16 x i1> %tmp, <16 x float> %a, <16 x float> %b
ret <16 x float> %tmp4;
}
define <16 x float> @test_min_v16f32(<16 x float>* %a_ptr, <16 x float> %b) {
; CHECK_UNSAFE-LABEL: test_min_v16f32:
; CHECK_UNSAFE: # %bb.0:
; CHECK_UNSAFE-NEXT: vminps (%rdi), %zmm0, %zmm0
; CHECK_UNSAFE-NEXT: retq
;
; CHECK-LABEL: test_min_v16f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovaps (%rdi), %zmm1
; CHECK-NEXT: vminps %zmm0, %zmm1, %zmm0
; CHECK-NEXT: retq
%a = load <16 x float>, <16 x float>* %a_ptr
%tmp = fcmp fast olt <16 x float> %a, %b
%tmp4 = select <16 x i1> %tmp, <16 x float> %a, <16 x float> %b
ret <16 x float> %tmp4;
}
define <8 x double> @test_max_v8f64(<8 x double> * %a_ptr, <8 x double> %b) {
; CHECK_UNSAFE-LABEL: test_max_v8f64:
; CHECK_UNSAFE: # %bb.0:
; CHECK_UNSAFE-NEXT: vmaxpd (%rdi), %zmm0, %zmm0
; CHECK_UNSAFE-NEXT: retq
;
; CHECK-LABEL: test_max_v8f64:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovapd (%rdi), %zmm1
; CHECK-NEXT: vmaxpd %zmm0, %zmm1, %zmm0
; CHECK-NEXT: retq
%a = load <8 x double>, <8 x double>* %a_ptr
%tmp = fcmp fast ogt <8 x double> %a, %b
%tmp4 = select <8 x i1> %tmp, <8 x double> %a, <8 x double> %b
ret <8 x double> %tmp4;
}
define <8 x double> @test_min_v8f64(<8 x double>* %a_ptr, <8 x double> %b) {
; CHECK_UNSAFE-LABEL: test_min_v8f64:
; CHECK_UNSAFE: # %bb.0:
; CHECK_UNSAFE-NEXT: vminpd (%rdi), %zmm0, %zmm0
; CHECK_UNSAFE-NEXT: retq
;
; CHECK-LABEL: test_min_v8f64:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovapd (%rdi), %zmm1
; CHECK-NEXT: vminpd %zmm0, %zmm1, %zmm0
; CHECK-NEXT: retq
%a = load <8 x double>, <8 x double>* %a_ptr
%tmp = fcmp fast olt <8 x double> %a, %b
%tmp4 = select <8 x i1> %tmp, <8 x double> %a, <8 x double> %b
ret <8 x double> %tmp4;
}
define float @test_min_f32(float %a, float* %ptr) {
; CHECK_UNSAFE-LABEL: test_min_f32:
; CHECK_UNSAFE: # %bb.0: # %entry
; CHECK_UNSAFE-NEXT: vminss (%rdi), %xmm0, %xmm0
; CHECK_UNSAFE-NEXT: retq
;
; CHECK-LABEL: test_min_f32:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; CHECK-NEXT: vminss %xmm0, %xmm1, %xmm0
; CHECK-NEXT: retq
entry:
%0 = load float, float* %ptr
%1 = fcmp fast olt float %0, %a
%2 = select i1 %1, float %0, float %a
ret float %2
}
define double @test_max_f64(double %a, double* %ptr) {
; CHECK_UNSAFE-LABEL: test_max_f64:
; CHECK_UNSAFE: # %bb.0: # %entry
; CHECK_UNSAFE-NEXT: vmaxsd (%rdi), %xmm0, %xmm0
; CHECK_UNSAFE-NEXT: retq
;
; CHECK-LABEL: test_max_f64:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vmovsd {{.*#+}} xmm1 = mem[0],zero
; CHECK-NEXT: vmaxsd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: retq
entry:
%0 = load double, double* %ptr
%1 = fcmp fast ogt double %0, %a
%2 = select i1 %1, double %0, double %a
ret double %2
}