diff test/CodeGen/PowerPC/ppc440-fp-basic.ll @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/PowerPC/ppc440-fp-basic.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,33 @@
+; RUN: llc < %s -march=ppc32 -mcpu=440 -fp-contract=fast | FileCheck %s
+
+%0 = type { double, double }
+
+define void @maybe_an_fma(%0* sret %agg.result, %0* byval %a, %0* byval %b, %0* byval %c) nounwind {
+entry:
+  %a.realp = getelementptr inbounds %0* %a, i32 0, i32 0
+  %a.real = load double* %a.realp
+  %a.imagp = getelementptr inbounds %0* %a, i32 0, i32 1
+  %a.imag = load double* %a.imagp
+  %b.realp = getelementptr inbounds %0* %b, i32 0, i32 0
+  %b.real = load double* %b.realp
+  %b.imagp = getelementptr inbounds %0* %b, i32 0, i32 1
+  %b.imag = load double* %b.imagp
+  %mul.rl = fmul double %a.real, %b.real
+  %mul.rr = fmul double %a.imag, %b.imag
+  %mul.r = fsub double %mul.rl, %mul.rr
+  %mul.il = fmul double %a.imag, %b.real
+  %mul.ir = fmul double %a.real, %b.imag
+  %mul.i = fadd double %mul.il, %mul.ir
+  %c.realp = getelementptr inbounds %0* %c, i32 0, i32 0
+  %c.real = load double* %c.realp
+  %c.imagp = getelementptr inbounds %0* %c, i32 0, i32 1
+  %c.imag = load double* %c.imagp
+  %add.r = fadd double %mul.r, %c.real
+  %add.i = fadd double %mul.i, %c.imag
+  %real = getelementptr inbounds %0* %agg.result, i32 0, i32 0
+  %imag = getelementptr inbounds %0* %agg.result, i32 0, i32 1
+  store double %add.r, double* %real
+  store double %add.i, double* %imag
+  ret void
+; CHECK: fmadd
+}