From 4ab92e4d4bdf103f487b7383ca666ccc021c147a Mon Sep 17 00:00:00 2001
From: Niels Ole Salscheider <niels_ole@salscheider-online.de>
Date: Sat, 10 Aug 2013 10:38:47 +0000
Subject: R600/SI: Add FMA pattern

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188135 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/R600/fma.ll | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 test/CodeGen/R600/fma.ll

(limited to 'test/CodeGen/R600/fma.ll')

diff --git a/test/CodeGen/R600/fma.ll b/test/CodeGen/R600/fma.ll
new file mode 100644
index 0000000..afef970
--- /dev/null
+++ b/test/CodeGen/R600/fma.ll
@@ -0,0 +1,31 @@
+; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s
+
+; CHECK: @fma_f32
+; CHECK: V_FMA_F32 {{VGPR[0-9]+, VGPR[0-9]+, VGPR[0-9]+, VGPR[0-9]+}}
+
+define void @fma_f32(float addrspace(1)* %out, float addrspace(1)* %in1,
+                     float addrspace(1)* %in2, float addrspace(1)* %in3) {
+   %r0 = load float addrspace(1)* %in1
+   %r1 = load float addrspace(1)* %in2
+   %r2 = load float addrspace(1)* %in3
+   %r3 = tail call float @llvm.fma.f32(float %r0, float %r1, float %r2)
+   store float %r3, float addrspace(1)* %out
+   ret void
+}
+
+declare float @llvm.fma.f32(float, float, float)
+
+; CHECK: @fma_f64
+; CHECK: V_FMA_F64 {{VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+}}
+
+define void @fma_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
+                     double addrspace(1)* %in2, double addrspace(1)* %in3) {
+   %r0 = load double addrspace(1)* %in1
+   %r1 = load double addrspace(1)* %in2
+   %r2 = load double addrspace(1)* %in3
+   %r3 = tail call double @llvm.fma.f64(double %r0, double %r1, double %r2)
+   store double %r3, double addrspace(1)* %out
+   ret void
+}
+
+declare double @llvm.fma.f64(double, double, double)
-- 
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