derek.holloway
7502bf64a4
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154 lines
4.4 KiB
LLVM
154 lines
4.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc < %s -mtriple=aarch64-linux-gnu -O3 -verify-machineinstrs | FileCheck %s
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define void @fnmaddd(ptr %a, ptr %b, ptr %c) {
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; CHECK-LABEL: fnmaddd:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr d0, [x0]
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; CHECK-NEXT: ldr d1, [x1]
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; CHECK-NEXT: ldr d2, [x2]
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; CHECK-NEXT: fnmadd d0, d1, d0, d2
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; CHECK-NEXT: str d0, [x0]
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; CHECK-NEXT: ret
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entry:
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%0 = load double, ptr %a, align 8
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%1 = load double, ptr %b, align 8
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%mul = fmul fast double %1, %0
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%2 = load double, ptr %c, align 8
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%add = fadd fast double %mul, %2
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%fneg = fneg fast double %add
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store double %fneg, ptr %a, align 8
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ret void
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}
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; Don't combine: No flags
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define void @fnmaddd_no_fast(ptr %a, ptr %b, ptr %c) {
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; CHECK-LABEL: fnmaddd_no_fast:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr d0, [x0]
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; CHECK-NEXT: ldr d1, [x1]
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; CHECK-NEXT: fmul d0, d1, d0
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; CHECK-NEXT: ldr d1, [x2]
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; CHECK-NEXT: fadd d0, d0, d1
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; CHECK-NEXT: fneg d0, d0
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; CHECK-NEXT: str d0, [x0]
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; CHECK-NEXT: ret
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entry:
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%0 = load double, ptr %a, align 8
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%1 = load double, ptr %b, align 8
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%mul = fmul double %1, %0
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%2 = load double, ptr %c, align 8
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%add = fadd double %mul, %2
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%fneg = fneg double %add
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store double %fneg, ptr %a, align 8
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ret void
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}
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define void @fnmadds(ptr %a, ptr %b, ptr %c) {
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; CHECK-LABEL: fnmadds:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr s0, [x0]
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; CHECK-NEXT: ldr s1, [x1]
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; CHECK-NEXT: ldr s2, [x2]
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; CHECK-NEXT: fnmadd s0, s1, s0, s2
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; CHECK-NEXT: str s0, [x0]
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; CHECK-NEXT: ret
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entry:
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%0 = load float, ptr %a, align 4
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%1 = load float, ptr %b, align 4
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%mul = fmul fast float %1, %0
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%2 = load float, ptr %c, align 4
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%add = fadd fast float %mul, %2
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%fneg = fneg fast float %add
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store float %fneg, ptr %a, align 4
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ret void
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}
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define void @fnmadds_nsz_contract(ptr %a, ptr %b, ptr %c) {
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; CHECK-LABEL: fnmadds_nsz_contract:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr s0, [x0]
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; CHECK-NEXT: ldr s1, [x1]
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; CHECK-NEXT: ldr s2, [x2]
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; CHECK-NEXT: fnmadd s0, s1, s0, s2
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; CHECK-NEXT: str s0, [x0]
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; CHECK-NEXT: ret
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entry:
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%0 = load float, ptr %a, align 4
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%1 = load float, ptr %b, align 4
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%mul = fmul contract nsz float %1, %0
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%2 = load float, ptr %c, align 4
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%add = fadd contract nsz float %mul, %2
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%fneg = fneg contract nsz float %add
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store float %fneg, ptr %a, align 4
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ret void
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}
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; Don't combine: Missing nsz
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define void @fnmadds_contract(ptr %a, ptr %b, ptr %c) {
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; CHECK-LABEL: fnmadds_contract:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr s0, [x0]
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; CHECK-NEXT: ldr s1, [x1]
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; CHECK-NEXT: ldr s2, [x2]
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; CHECK-NEXT: fmadd s0, s1, s0, s2
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; CHECK-NEXT: fneg s0, s0
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; CHECK-NEXT: str s0, [x0]
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; CHECK-NEXT: ret
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entry:
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%0 = load float, ptr %a, align 4
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%1 = load float, ptr %b, align 4
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%mul = fmul contract float %1, %0
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%2 = load float, ptr %c, align 4
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%add = fadd contract float %mul, %2
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%fneg = fneg contract float %add
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store float %fneg, ptr %a, align 4
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ret void
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}
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; Don't combine: Missing contract
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define void @fnmadds_nsz(ptr %a, ptr %b, ptr %c) {
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; CHECK-LABEL: fnmadds_nsz:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr s0, [x0]
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; CHECK-NEXT: ldr s1, [x1]
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; CHECK-NEXT: fmul s0, s1, s0
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; CHECK-NEXT: ldr s1, [x2]
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; CHECK-NEXT: fadd s0, s0, s1
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; CHECK-NEXT: fneg s0, s0
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; CHECK-NEXT: str s0, [x0]
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; CHECK-NEXT: ret
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entry:
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%0 = load float, ptr %a, align 4
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%1 = load float, ptr %b, align 4
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%mul = fmul nsz float %1, %0
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%2 = load float, ptr %c, align 4
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%add = fadd nsz float %mul, %2
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%fneg = fneg nsz float %add
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store float %fneg, ptr %a, align 4
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ret void
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}
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define void @fnmaddd_two_uses(ptr %a, ptr %b, ptr %c, ptr %d) {
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; CHECK-LABEL: fnmaddd_two_uses:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr d0, [x1]
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; CHECK-NEXT: ldr d1, [x0]
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; CHECK-NEXT: ldr d2, [x2]
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; CHECK-NEXT: fmadd d0, d0, d1, d2
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; CHECK-NEXT: fneg d1, d0
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; CHECK-NEXT: str d1, [x0]
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; CHECK-NEXT: str d0, [x3]
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; CHECK-NEXT: ret
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entry:
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%0 = load double, ptr %a, align 8
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%1 = load double, ptr %b, align 8
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%mul = fmul fast double %1, %0
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%2 = load double, ptr %c, align 8
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%add = fadd fast double %mul, %2
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%fneg1 = fneg fast double %add
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store double %fneg1, ptr %a, align 8
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store double %add, ptr %d, align 8
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ret void
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}
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