blob: 0324e38e1691d155c6f7b864c8fd73a4489ce765 [file] [log] [blame]
Lang Hamesc98ebda2012-06-22 22:31:00 +00001; RUN: llc < %s -march=ppc64 -mcpu=a2 -fp-contract=fast | FileCheck %s
Hal Finkel9f9f8922012-04-01 19:22:40 +00002
3%0 = type { double, double }
4
5define void @maybe_an_fma(%0* sret %agg.result, %0* byval %a, %0* byval %b, %0* byval %c) nounwind {
6entry:
David Blaikie79e6c742015-02-27 19:29:02 +00007 %a.realp = getelementptr inbounds %0, %0* %a, i32 0, i32 0
David Blaikiea79ac142015-02-27 21:17:42 +00008 %a.real = load double, double* %a.realp
David Blaikie79e6c742015-02-27 19:29:02 +00009 %a.imagp = getelementptr inbounds %0, %0* %a, i32 0, i32 1
David Blaikiea79ac142015-02-27 21:17:42 +000010 %a.imag = load double, double* %a.imagp
David Blaikie79e6c742015-02-27 19:29:02 +000011 %b.realp = getelementptr inbounds %0, %0* %b, i32 0, i32 0
David Blaikiea79ac142015-02-27 21:17:42 +000012 %b.real = load double, double* %b.realp
David Blaikie79e6c742015-02-27 19:29:02 +000013 %b.imagp = getelementptr inbounds %0, %0* %b, i32 0, i32 1
David Blaikiea79ac142015-02-27 21:17:42 +000014 %b.imag = load double, double* %b.imagp
Hal Finkel9f9f8922012-04-01 19:22:40 +000015 %mul.rl = fmul double %a.real, %b.real
16 %mul.rr = fmul double %a.imag, %b.imag
17 %mul.r = fsub double %mul.rl, %mul.rr
18 %mul.il = fmul double %a.imag, %b.real
19 %mul.ir = fmul double %a.real, %b.imag
20 %mul.i = fadd double %mul.il, %mul.ir
David Blaikie79e6c742015-02-27 19:29:02 +000021 %c.realp = getelementptr inbounds %0, %0* %c, i32 0, i32 0
David Blaikiea79ac142015-02-27 21:17:42 +000022 %c.real = load double, double* %c.realp
David Blaikie79e6c742015-02-27 19:29:02 +000023 %c.imagp = getelementptr inbounds %0, %0* %c, i32 0, i32 1
David Blaikiea79ac142015-02-27 21:17:42 +000024 %c.imag = load double, double* %c.imagp
Hal Finkel9f9f8922012-04-01 19:22:40 +000025 %add.r = fadd double %mul.r, %c.real
26 %add.i = fadd double %mul.i, %c.imag
David Blaikie79e6c742015-02-27 19:29:02 +000027 %real = getelementptr inbounds %0, %0* %agg.result, i32 0, i32 0
28 %imag = getelementptr inbounds %0, %0* %agg.result, i32 0, i32 1
Hal Finkel9f9f8922012-04-01 19:22:40 +000029 store double %add.r, double* %real
30 store double %add.i, double* %imag
31 ret void
32; CHECK: fmadd
33}