[X86] Use update_llc_test_checks.py to regenerate a test and add command lines to demonstrate that we don't pick EVEX encoded instruction when AVX512 and FMA3 are both enabled.
This bug only exists on the scalar llvm.fma instrinsics. Looks like we don't test the llvm.fma intrinsics very thoroughly. In fact I don't see any tests for the vector versions. llvm-svn: 298045
This commit is contained in:
Craig Topper
parent
30c89eeeb6
commit
c1338f21ed
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@ -1,40 +1,232 @@
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=+fma,-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-CALL
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+fma,-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-CALL
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+avx512f,-fma,-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -march=x86 -mcpu=bdver2 -mattr=-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -march=x86 -mcpu=bdver2 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FMA-CALL
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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-apple-darwin10 -mattr=+sse2,+fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=FMA32
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=+sse2,-fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=FMACALL32
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=FMA64
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=-fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=FMACALL64
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+avx512f,-fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=AVX51264NOFMA
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+avx512f,fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=AVX51264
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mcpu=bdver2 -mattr=-fma4 -show-mc-encoding | FileCheck %s --check-prefix=FMA32
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mcpu=bdver2 -mattr=-fma,-fma4 -show-mc-encoding | FileCheck %s --check-prefix=FMACALL32
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; CHECK-LABEL: test_f32:
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; CHECK-FMA-INST: vfmadd213ss
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; CHECK-FMA-CALL: fmaf
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define float @test_f32(float %a, float %b, float %c) #0 {
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; FMA32-LABEL: test_f32:
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; FMA32: ## BB#0: ## %entry
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; FMA32-NEXT: pushl %eax ## encoding: [0x50]
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; FMA32-NEXT: vmovss {{[0-9]+}}(%esp), %xmm0 ## encoding: [0xc5,0xfa,0x10,0x44,0x24,0x08]
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; FMA32-NEXT: ## xmm0 = mem[0],zero,zero,zero
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; FMA32-NEXT: vmovss {{[0-9]+}}(%esp), %xmm1 ## encoding: [0xc5,0xfa,0x10,0x4c,0x24,0x0c]
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; FMA32-NEXT: ## xmm1 = mem[0],zero,zero,zero
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; FMA32-NEXT: vfmadd213ss {{[0-9]+}}(%esp), %xmm0, %xmm1 ## encoding: [0xc4,0xe2,0x79,0xa9,0x4c,0x24,0x10]
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; FMA32-NEXT: vmovss %xmm1, (%esp) ## encoding: [0xc5,0xfa,0x11,0x0c,0x24]
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; FMA32-NEXT: flds (%esp) ## encoding: [0xd9,0x04,0x24]
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; FMA32-NEXT: popl %eax ## encoding: [0x58]
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; FMA32-NEXT: retl ## encoding: [0xc3]
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;
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; FMACALL32-LABEL: test_f32:
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; FMACALL32: ## BB#0: ## %entry
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; FMACALL32-NEXT: jmp _fmaf ## TAILCALL
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; FMACALL32-NEXT: ## encoding: [0xeb,A]
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; FMACALL32-NEXT: ## fixup A - offset: 1, value: _fmaf-1, kind: FK_PCRel_1
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;
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; FMA64-LABEL: test_f32:
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; FMA64: ## BB#0: ## %entry
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; FMA64-NEXT: vfmadd213ss %xmm2, %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0x71,0xa9,0xc2]
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; FMA64-NEXT: retq ## encoding: [0xc3]
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;
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; FMACALL64-LABEL: test_f32:
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; FMACALL64: ## BB#0: ## %entry
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; FMACALL64-NEXT: jmp _fmaf ## TAILCALL
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; FMACALL64-NEXT: ## encoding: [0xeb,A]
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; FMACALL64-NEXT: ## fixup A - offset: 1, value: _fmaf-1, kind: FK_PCRel_1
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;
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; AVX51264NOFMA-LABEL: test_f32:
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; AVX51264NOFMA: ## BB#0: ## %entry
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; AVX51264NOFMA-NEXT: vfmadd213ss %xmm2, %xmm1, %xmm0 ## EVEX TO VEX Compression encoding: [0xc4,0xe2,0x71,0xa9,0xc2]
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; AVX51264NOFMA-NEXT: retq ## encoding: [0xc3]
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;
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; AVX51264-LABEL: test_f32:
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; AVX51264: ## BB#0: ## %entry
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; AVX51264-NEXT: vfmadd213ss %xmm2, %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0x71,0xa9,0xc2]
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; AVX51264-NEXT: retq ## encoding: [0xc3]
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entry:
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%call = call float @llvm.fma.f32(float %a, float %b, float %c)
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ret float %call
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}
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; CHECK-LABEL: test_f64:
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; CHECK-FMA-INST: vfmadd213sd
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; CHECK-FMA-CALL: fma
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define double @test_f64(double %a, double %b, double %c) #0 {
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; FMA32-LABEL: test_f64:
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; FMA32: ## BB#0: ## %entry
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; FMA32-NEXT: subl $12, %esp ## encoding: [0x83,0xec,0x0c]
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; FMA32-NEXT: vmovsd {{[0-9]+}}(%esp), %xmm0 ## encoding: [0xc5,0xfb,0x10,0x44,0x24,0x10]
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; FMA32-NEXT: ## xmm0 = mem[0],zero
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; FMA32-NEXT: vmovsd {{[0-9]+}}(%esp), %xmm1 ## encoding: [0xc5,0xfb,0x10,0x4c,0x24,0x18]
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; FMA32-NEXT: ## xmm1 = mem[0],zero
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; FMA32-NEXT: vfmadd213sd {{[0-9]+}}(%esp), %xmm0, %xmm1 ## encoding: [0xc4,0xe2,0xf9,0xa9,0x4c,0x24,0x20]
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; FMA32-NEXT: vmovsd %xmm1, (%esp) ## encoding: [0xc5,0xfb,0x11,0x0c,0x24]
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; FMA32-NEXT: fldl (%esp) ## encoding: [0xdd,0x04,0x24]
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; FMA32-NEXT: addl $12, %esp ## encoding: [0x83,0xc4,0x0c]
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; FMA32-NEXT: retl ## encoding: [0xc3]
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;
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; FMACALL32-LABEL: test_f64:
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; FMACALL32: ## BB#0: ## %entry
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; FMACALL32-NEXT: jmp _fma ## TAILCALL
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; FMACALL32-NEXT: ## encoding: [0xeb,A]
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; FMACALL32-NEXT: ## fixup A - offset: 1, value: _fma-1, kind: FK_PCRel_1
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;
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; FMA64-LABEL: test_f64:
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; FMA64: ## BB#0: ## %entry
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; FMA64-NEXT: vfmadd213sd %xmm2, %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0xf1,0xa9,0xc2]
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; FMA64-NEXT: retq ## encoding: [0xc3]
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;
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; FMACALL64-LABEL: test_f64:
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; FMACALL64: ## BB#0: ## %entry
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; FMACALL64-NEXT: jmp _fma ## TAILCALL
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; FMACALL64-NEXT: ## encoding: [0xeb,A]
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; FMACALL64-NEXT: ## fixup A - offset: 1, value: _fma-1, kind: FK_PCRel_1
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;
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; AVX51264NOFMA-LABEL: test_f64:
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; AVX51264NOFMA: ## BB#0: ## %entry
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; AVX51264NOFMA-NEXT: vfmadd213sd %xmm2, %xmm1, %xmm0 ## EVEX TO VEX Compression encoding: [0xc4,0xe2,0xf1,0xa9,0xc2]
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; AVX51264NOFMA-NEXT: retq ## encoding: [0xc3]
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;
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; AVX51264-LABEL: test_f64:
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; AVX51264: ## BB#0: ## %entry
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; AVX51264-NEXT: vfmadd213sd %xmm2, %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0xf1,0xa9,0xc2]
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; AVX51264-NEXT: retq ## encoding: [0xc3]
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entry:
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%call = call double @llvm.fma.f64(double %a, double %b, double %c)
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ret double %call
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}
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; CHECK-LABEL: test_f80:
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; CHECK: fmal
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define x86_fp80 @test_f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) #0 {
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; FMA32-LABEL: test_f80:
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; FMA32: ## BB#0: ## %entry
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; FMA32-NEXT: subl $60, %esp ## encoding: [0x83,0xec,0x3c]
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; FMA32-NEXT: fldt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x6c,0x24,0x40]
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; FMA32-NEXT: fldt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x6c,0x24,0x50]
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; FMA32-NEXT: fldt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x6c,0x24,0x60]
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; FMA32-NEXT: fstpt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x7c,0x24,0x20]
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; FMA32-NEXT: fstpt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x7c,0x24,0x10]
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; FMA32-NEXT: fstpt (%esp) ## encoding: [0xdb,0x3c,0x24]
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; FMA32-NEXT: calll _fmal ## encoding: [0xe8,A,A,A,A]
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; FMA32-NEXT: ## fixup A - offset: 1, value: _fmal-4, kind: FK_PCRel_4
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; FMA32-NEXT: addl $60, %esp ## encoding: [0x83,0xc4,0x3c]
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; FMA32-NEXT: retl ## encoding: [0xc3]
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;
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; FMACALL32-LABEL: test_f80:
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; FMACALL32: ## BB#0: ## %entry
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; FMACALL32-NEXT: subl $60, %esp ## encoding: [0x83,0xec,0x3c]
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; FMACALL32-NEXT: fldt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x6c,0x24,0x40]
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; FMACALL32-NEXT: fldt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x6c,0x24,0x50]
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; FMACALL32-NEXT: fldt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x6c,0x24,0x60]
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; FMACALL32-NEXT: fstpt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x7c,0x24,0x20]
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; FMACALL32-NEXT: fstpt {{[0-9]+}}(%esp) ## encoding: [0xdb,0x7c,0x24,0x10]
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; FMACALL32-NEXT: fstpt (%esp) ## encoding: [0xdb,0x3c,0x24]
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; FMACALL32-NEXT: calll _fmal ## encoding: [0xe8,A,A,A,A]
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; FMACALL32-NEXT: ## fixup A - offset: 1, value: _fmal-4, kind: FK_PCRel_4
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; FMACALL32-NEXT: addl $60, %esp ## encoding: [0x83,0xc4,0x3c]
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; FMACALL32-NEXT: retl ## encoding: [0xc3]
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;
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; FMA64-LABEL: test_f80:
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; FMA64: ## BB#0: ## %entry
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; FMA64-NEXT: subq $56, %rsp ## encoding: [0x48,0x83,0xec,0x38]
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; FMA64-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x40]
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; FMA64-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x50]
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; FMA64-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x60]
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; FMA64-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x20]
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; FMA64-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x10]
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; FMA64-NEXT: fstpt (%rsp) ## encoding: [0xdb,0x3c,0x24]
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; FMA64-NEXT: callq _fmal ## encoding: [0xe8,A,A,A,A]
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; FMA64-NEXT: ## fixup A - offset: 1, value: _fmal-4, kind: FK_PCRel_4
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; FMA64-NEXT: addq $56, %rsp ## encoding: [0x48,0x83,0xc4,0x38]
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; FMA64-NEXT: retq ## encoding: [0xc3]
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;
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; FMACALL64-LABEL: test_f80:
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; FMACALL64: ## BB#0: ## %entry
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; FMACALL64-NEXT: subq $56, %rsp ## encoding: [0x48,0x83,0xec,0x38]
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; FMACALL64-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x40]
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; FMACALL64-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x50]
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; FMACALL64-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x60]
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; FMACALL64-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x20]
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; FMACALL64-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x10]
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; FMACALL64-NEXT: fstpt (%rsp) ## encoding: [0xdb,0x3c,0x24]
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; FMACALL64-NEXT: callq _fmal ## encoding: [0xe8,A,A,A,A]
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; FMACALL64-NEXT: ## fixup A - offset: 1, value: _fmal-4, kind: FK_PCRel_4
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; FMACALL64-NEXT: addq $56, %rsp ## encoding: [0x48,0x83,0xc4,0x38]
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; FMACALL64-NEXT: retq ## encoding: [0xc3]
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;
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; AVX51264NOFMA-LABEL: test_f80:
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; AVX51264NOFMA: ## BB#0: ## %entry
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; AVX51264NOFMA-NEXT: subq $56, %rsp ## encoding: [0x48,0x83,0xec,0x38]
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; AVX51264NOFMA-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x40]
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; AVX51264NOFMA-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x50]
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; AVX51264NOFMA-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x60]
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; AVX51264NOFMA-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x20]
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; AVX51264NOFMA-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x10]
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; AVX51264NOFMA-NEXT: fstpt (%rsp) ## encoding: [0xdb,0x3c,0x24]
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; AVX51264NOFMA-NEXT: callq _fmal ## encoding: [0xe8,A,A,A,A]
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; AVX51264NOFMA-NEXT: ## fixup A - offset: 1, value: _fmal-4, kind: FK_PCRel_4
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; AVX51264NOFMA-NEXT: addq $56, %rsp ## encoding: [0x48,0x83,0xc4,0x38]
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; AVX51264NOFMA-NEXT: retq ## encoding: [0xc3]
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;
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; AVX51264-LABEL: test_f80:
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; AVX51264: ## BB#0: ## %entry
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; AVX51264-NEXT: subq $56, %rsp ## encoding: [0x48,0x83,0xec,0x38]
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; AVX51264-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x40]
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; AVX51264-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x50]
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; AVX51264-NEXT: fldt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x6c,0x24,0x60]
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; AVX51264-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x20]
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; AVX51264-NEXT: fstpt {{[0-9]+}}(%rsp) ## encoding: [0xdb,0x7c,0x24,0x10]
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; AVX51264-NEXT: fstpt (%rsp) ## encoding: [0xdb,0x3c,0x24]
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; AVX51264-NEXT: callq _fmal ## encoding: [0xe8,A,A,A,A]
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; AVX51264-NEXT: ## fixup A - offset: 1, value: _fmal-4, kind: FK_PCRel_4
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; AVX51264-NEXT: addq $56, %rsp ## encoding: [0x48,0x83,0xc4,0x38]
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; AVX51264-NEXT: retq ## encoding: [0xc3]
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entry:
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%call = call x86_fp80 @llvm.fma.f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c)
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ret x86_fp80 %call
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}
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; CHECK-LABEL: test_f32_cst:
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; CHECK-NOT: vfmadd
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define float @test_f32_cst() #0 {
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; FMA32-LABEL: test_f32_cst:
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; FMA32: ## BB#0: ## %entry
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; FMA32-NEXT: flds LCPI3_0 ## encoding: [0xd9,0x05,A,A,A,A]
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; FMA32-NEXT: ## fixup A - offset: 2, value: LCPI3_0, kind: FK_Data_4
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; FMA32-NEXT: retl ## encoding: [0xc3]
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;
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; FMACALL32-LABEL: test_f32_cst:
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; FMACALL32: ## BB#0: ## %entry
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; FMACALL32-NEXT: flds LCPI3_0 ## encoding: [0xd9,0x05,A,A,A,A]
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; FMACALL32-NEXT: ## fixup A - offset: 2, value: LCPI3_0, kind: FK_Data_4
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; FMACALL32-NEXT: retl ## encoding: [0xc3]
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;
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; FMA64-LABEL: test_f32_cst:
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; FMA64: ## BB#0: ## %entry
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; FMA64-NEXT: vmovss {{.*}}(%rip), %xmm0 ## encoding: [0xc5,0xfa,0x10,0x05,A,A,A,A]
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; FMA64-NEXT: ## fixup A - offset: 4, value: LCPI3_0-4, kind: reloc_riprel_4byte
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; FMA64-NEXT: ## xmm0 = mem[0],zero,zero,zero
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; FMA64-NEXT: retq ## encoding: [0xc3]
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;
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; FMACALL64-LABEL: test_f32_cst:
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; FMACALL64: ## BB#0: ## %entry
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; FMACALL64-NEXT: movss {{.*}}(%rip), %xmm0 ## encoding: [0xf3,0x0f,0x10,0x05,A,A,A,A]
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; FMACALL64-NEXT: ## fixup A - offset: 4, value: LCPI3_0-4, kind: reloc_riprel_4byte
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; FMACALL64-NEXT: ## xmm0 = mem[0],zero,zero,zero
|
||||
; FMACALL64-NEXT: retq ## encoding: [0xc3]
|
||||
;
|
||||
; AVX51264NOFMA-LABEL: test_f32_cst:
|
||||
; AVX51264NOFMA: ## BB#0: ## %entry
|
||||
; AVX51264NOFMA-NEXT: vmovss {{.*}}(%rip), %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xfa,0x10,0x05,A,A,A,A]
|
||||
; AVX51264NOFMA-NEXT: ## fixup A - offset: 4, value: LCPI3_0-4, kind: reloc_riprel_4byte
|
||||
; AVX51264NOFMA-NEXT: ## xmm0 = mem[0],zero,zero,zero
|
||||
; AVX51264NOFMA-NEXT: retq ## encoding: [0xc3]
|
||||
;
|
||||
; AVX51264-LABEL: test_f32_cst:
|
||||
; AVX51264: ## BB#0: ## %entry
|
||||
; AVX51264-NEXT: vmovss {{.*}}(%rip), %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xfa,0x10,0x05,A,A,A,A]
|
||||
; AVX51264-NEXT: ## fixup A - offset: 4, value: LCPI3_0-4, kind: reloc_riprel_4byte
|
||||
; AVX51264-NEXT: ## xmm0 = mem[0],zero,zero,zero
|
||||
; AVX51264-NEXT: retq ## encoding: [0xc3]
|
||||
entry:
|
||||
%call = call float @llvm.fma.f32(float 3.0, float 3.0, float 3.0)
|
||||
ret float %call
|
||||
|
|
|
|||
Loading…
Reference in New Issue