; RUN: llc < %s -mcpu=cortex-a57 -mattr=+neon -fp-contract=fast -regalloc=pbqp -pbqp-coalescing | FileCheck %s --check-prefix CHECK --check-prefix CHECK-EVEN
; RUN: llc < %s -mcpu=cortex-a57 -mattr=+neon -fp-contract=fast -regalloc=pbqp -pbqp-coalescing | FileCheck %s --check-prefix CHECK --check-prefix CHECK-ODD
;
; Test PBQP is able to fulfill the accumulator chaining constraint.
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "aarch64"
; CHECK-LABEL: fir
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-EVEN: fmadd {{d[0-9]*[02468]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[02468]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
; CHECK-ODD: fmadd {{d[0-9]*[13579]}}, {{d[0-9]*}}, {{d[0-9]*}}, {{d[0-9]*[13579]}}
define void @fir(ptr nocapture %rx, ptr nocapture %ry, ptr nocapture %c, ptr nocapture %x, ptr nocapture %y) {
entry:
%0 = load double, ptr %c, align 8
%1 = load double, ptr %x, align 8
%mul = fmul fast double %1, %0
%2 = load double, ptr %y, align 8
%mul7 = fmul fast double %2, %0
%arrayidx.1 = getelementptr inbounds double, ptr %c, i64 1
%3 = load double, ptr %arrayidx.1, align 8
%arrayidx2.1 = getelementptr inbounds double, ptr %x, i64 1
%4 = load double, ptr %arrayidx2.1, align 8
%mul.1 = fmul fast double %4, %3
%add.1 = fadd fast double %mul.1, %mul
%arrayidx6.1 = getelementptr inbounds double, ptr %y, i64 1
%5 = load double, ptr %arrayidx6.1, align 8
%mul7.1 = fmul fast double %5, %3
%add8.1 = fadd fast double %mul7.1, %mul7
%arrayidx.2 = getelementptr inbounds double, ptr %c, i64 2
%6 = load double, ptr %arrayidx.2, align 8
%arrayidx2.2 = getelementptr inbounds double, ptr %x, i64 2
%7 = load double, ptr %arrayidx2.2, align 8
%mul.2 = fmul fast double %7, %6
%add.2 = fadd fast double %mul.2, %add.1
%arrayidx6.2 = getelementptr inbounds double, ptr %y, i64 2
%8 = load double, ptr %arrayidx6.2, align 8
%mul7.2 = fmul fast double %8, %6
%add8.2 = fadd fast double %mul7.2, %add8.1
%arrayidx.3 = getelementptr inbounds double, ptr %c, i64 3
%9 = load double, ptr %arrayidx.3, align 8
%arrayidx2.3 = getelementptr inbounds double, ptr %x, i64 3
%10 = load double, ptr %arrayidx2.3, align 8
%mul.3 = fmul fast double %10, %9
%add.3 = fadd fast double %mul.3, %add.2
%arrayidx6.3 = getelementptr inbounds double, ptr %y, i64 3
%11 = load double, ptr %arrayidx6.3, align 8
%mul7.3 = fmul fast double %11, %9
%add8.3 = fadd fast double %mul7.3, %add8.2
%arrayidx.4 = getelementptr inbounds double, ptr %c, i64 4
%12 = load double, ptr %arrayidx.4, align 8
%arrayidx2.4 = getelementptr inbounds double, ptr %x, i64 4
%13 = load double, ptr %arrayidx2.4, align 8
%mul.4 = fmul fast double %13, %12
%add.4 = fadd fast double %mul.4, %add.3
%arrayidx6.4 = getelementptr inbounds double, ptr %y, i64 4
%14 = load double, ptr %arrayidx6.4, align 8
%mul7.4 = fmul fast double %14, %12
%add8.4 = fadd fast double %mul7.4, %add8.3
%arrayidx.5 = getelementptr inbounds double, ptr %c, i64 5
%15 = load double, ptr %arrayidx.5, align 8
%arrayidx2.5 = getelementptr inbounds double, ptr %x, i64 5
%16 = load double, ptr %arrayidx2.5, align 8
%mul.5 = fmul fast double %16, %15
%add.5 = fadd fast double %mul.5, %add.4
%arrayidx6.5 = getelementptr inbounds double, ptr %y, i64 5
%17 = load double, ptr %arrayidx6.5, align 8
%mul7.5 = fmul fast double %17, %15
%add8.5 = fadd fast double %mul7.5, %add8.4
%arrayidx.6 = getelementptr inbounds double, ptr %c, i64 6
%18 = load double, ptr %arrayidx.6, align 8
%arrayidx2.6 = getelementptr inbounds double, ptr %x, i64 6
%19 = load double, ptr %arrayidx2.6, align 8
%mul.6 = fmul fast double %19, %18
%add.6 = fadd fast double %mul.6, %add.5
%arrayidx6.6 = getelementptr inbounds double, ptr %y, i64 6
%20 = load double, ptr %arrayidx6.6, align 8
%mul7.6 = fmul fast double %20, %18
%add8.6 = fadd fast double %mul7.6, %add8.5
%arrayidx.7 = getelementptr inbounds double, ptr %c, i64 7
%21 = load double, ptr %arrayidx.7, align 8
%arrayidx2.7 = getelementptr inbounds double, ptr %x, i64 7
%22 = load double, ptr %arrayidx2.7, align 8
%mul.7 = fmul fast double %22, %21
%add.7 = fadd fast double %mul.7, %add.6
%arrayidx6.7 = getelementptr inbounds double, ptr %y, i64 7
%23 = load double, ptr %arrayidx6.7, align 8
%mul7.7 = fmul fast double %23, %21
%add8.7 = fadd fast double %mul7.7, %add8.6
store double %add.7, ptr %rx, align 8
store double %add8.7, ptr %ry, align 8
ret void
}
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