129 lines
3.8 KiB
LLVM
129 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=-neon -fp-contract=fast | FileCheck %s --check-prefix=Aarch64
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon -fp-contract=fast | FileCheck %s --check-prefix=Aarch64-Neon
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define float @f1(float %a, float %b, float %c) {
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; Aarch64-LABEL: f1:
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; Aarch64: // %bb.0:
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; Aarch64-NEXT: fmadd s0, s1, s0, s2
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; Aarch64-NEXT: ret
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;
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; Aarch64-Neon-LABEL: f1:
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; Aarch64-Neon: // %bb.0:
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; Aarch64-Neon-NEXT: fmadd s0, s1, s0, s2
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; Aarch64-Neon-NEXT: ret
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%mul = fmul fast float %b, %a
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%add = fadd fast float %mul, %c
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ret float %add
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}
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define float @f2(float %a, float %b, float %c) {
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; Aarch64-LABEL: f2:
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; Aarch64: // %bb.0:
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; Aarch64-NEXT: fmul s0, s1, s0
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; Aarch64-NEXT: //ARITH_FENCE
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; Aarch64-NEXT: fadd s0, s0, s2
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; Aarch64-NEXT: ret
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;
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; Aarch64-Neon-LABEL: f2:
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; Aarch64-Neon: // %bb.0:
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; Aarch64-Neon-NEXT: fmul s0, s1, s0
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; Aarch64-Neon-NEXT: //ARITH_FENCE
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; Aarch64-Neon-NEXT: fadd s0, s0, s2
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; Aarch64-Neon-NEXT: ret
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%mul = fmul fast float %b, %a
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%tmp = call float @llvm.arithmetic.fence.f32(float %mul)
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%add = fadd fast float %tmp, %c
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ret float %add
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}
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define double @f3(double %a) {
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; Aarch64-LABEL: f3:
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; Aarch64: // %bb.0:
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; Aarch64-NEXT: fmov d1, #4.00000000
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; Aarch64-NEXT: fmul d0, d0, d1
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; Aarch64-NEXT: ret
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;
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; Aarch64-Neon-LABEL: f3:
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; Aarch64-Neon: // %bb.0:
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; Aarch64-Neon-NEXT: fmov d1, #4.00000000
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; Aarch64-Neon-NEXT: fmul d0, d0, d1
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; Aarch64-Neon-NEXT: ret
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%1 = fadd fast double %a, %a
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%2 = fadd fast double %a, %a
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%3 = fadd fast double %1, %2
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ret double %3
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}
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define double @f4(double %a) {
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; Aarch64-LABEL: f4:
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; Aarch64: // %bb.0:
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; Aarch64-NEXT: fadd d0, d0, d0
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; Aarch64-NEXT: fmov d1, d0
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; Aarch64-NEXT: //ARITH_FENCE
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; Aarch64-NEXT: fadd d0, d1, d0
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; Aarch64-NEXT: ret
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;
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; Aarch64-Neon-LABEL: f4:
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; Aarch64-Neon: // %bb.0:
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; Aarch64-Neon-NEXT: fadd d0, d0, d0
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; Aarch64-Neon-NEXT: fmov d1, d0
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; Aarch64-Neon-NEXT: //ARITH_FENCE
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; Aarch64-Neon-NEXT: fadd d0, d1, d0
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; Aarch64-Neon-NEXT: ret
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%1 = fadd fast double %a, %a
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%t = call double @llvm.arithmetic.fence.f64(double %1)
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%2 = fadd fast double %a, %a
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%3 = fadd fast double %t, %2
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ret double %3
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}
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define <2 x float> @f5(<2 x float> %a) {
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; Aarch64-LABEL: f5:
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; Aarch64: // %bb.0:
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; Aarch64-NEXT: fmov s2, #4.00000000
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; Aarch64-NEXT: fmul s0, s0, s2
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; Aarch64-NEXT: fmul s1, s1, s2
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; Aarch64-NEXT: ret
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;
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; Aarch64-Neon-LABEL: f5:
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; Aarch64-Neon: // %bb.0:
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; Aarch64-Neon-NEXT: fmov v1.2s, #4.00000000
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; Aarch64-Neon-NEXT: fmul v0.2s, v0.2s, v1.2s
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; Aarch64-Neon-NEXT: ret
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%1 = fadd fast <2 x float> %a, %a
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%2 = fadd fast <2 x float> %a, %a
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%3 = fadd fast <2 x float> %1, %2
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ret <2 x float> %3
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}
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define <2 x float> @f6(<2 x float> %a) {
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; Aarch64-LABEL: f6:
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; Aarch64: // %bb.0:
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; Aarch64-NEXT: fadd s0, s0, s0
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; Aarch64-NEXT: fadd s1, s1, s1
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; Aarch64-NEXT: fmov s2, s1
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; Aarch64-NEXT: fmov s3, s0
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; Aarch64-NEXT: //ARITH_FENCE
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; Aarch64-NEXT: //ARITH_FENCE
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; Aarch64-NEXT: fadd s0, s3, s0
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; Aarch64-NEXT: fadd s1, s2, s1
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; Aarch64-NEXT: ret
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;
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; Aarch64-Neon-LABEL: f6:
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; Aarch64-Neon: // %bb.0:
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; Aarch64-Neon-NEXT: fadd v0.2s, v0.2s, v0.2s
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; Aarch64-Neon-NEXT: fmov d1, d0
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; Aarch64-Neon-NEXT: //ARITH_FENCE
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; Aarch64-Neon-NEXT: fadd v0.2s, v1.2s, v0.2s
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; Aarch64-Neon-NEXT: ret
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%1 = fadd fast <2 x float> %a, %a
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%t = call <2 x float> @llvm.arithmetic.fence.v2f32(<2 x float> %1)
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%2 = fadd fast <2 x float> %a, %a
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%3 = fadd fast <2 x float> %t, %2
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ret <2 x float> %3
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}
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declare float @llvm.arithmetic.fence.f32(float)
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declare double @llvm.arithmetic.fence.f64(double)
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declare <2 x float> @llvm.arithmetic.fence.v2f32(<2 x float>)
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