2012-06-22 22:31:00 +00:00
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; RUN: llc < %s -march=ppc64 -mcpu=a2 -fp-contract=fast | FileCheck %s
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2012-04-01 19:22:40 +00:00
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%0 = type { double, double }
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define void @maybe_an_fma(%0* sret %agg.result, %0* byval %a, %0* byval %b, %0* byval %c) nounwind {
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entry:
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%a.realp = getelementptr inbounds %0* %a, i32 0, i32 0
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%a.real = load double* %a.realp
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%a.imagp = getelementptr inbounds %0* %a, i32 0, i32 1
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%a.imag = load double* %a.imagp
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%b.realp = getelementptr inbounds %0* %b, i32 0, i32 0
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%b.real = load double* %b.realp
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%b.imagp = getelementptr inbounds %0* %b, i32 0, i32 1
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%b.imag = load double* %b.imagp
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%mul.rl = fmul double %a.real, %b.real
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%mul.rr = fmul double %a.imag, %b.imag
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%mul.r = fsub double %mul.rl, %mul.rr
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%mul.il = fmul double %a.imag, %b.real
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%mul.ir = fmul double %a.real, %b.imag
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%mul.i = fadd double %mul.il, %mul.ir
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%c.realp = getelementptr inbounds %0* %c, i32 0, i32 0
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%c.real = load double* %c.realp
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%c.imagp = getelementptr inbounds %0* %c, i32 0, i32 1
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%c.imag = load double* %c.imagp
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%add.r = fadd double %mul.r, %c.real
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%add.i = fadd double %mul.i, %c.imag
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%real = getelementptr inbounds %0* %agg.result, i32 0, i32 0
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%imag = getelementptr inbounds %0* %agg.result, i32 0, i32 1
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store double %add.r, double* %real
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store double %add.i, double* %imag
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ret void
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; CHECK: fmadd
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}
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