From 75aadc2813824e18449e08a99690a6f886fadf13 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Tue, 11 Dec 2012 21:25:42 +0000
Subject: Add R600 backend

A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX

llvm-svn: 169915
---
 llvm/test/CodeGen/R600/fmax.ll | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 llvm/test/CodeGen/R600/fmax.ll

(limited to 'llvm/test/CodeGen/R600/fmax.ll')

diff --git a/llvm/test/CodeGen/R600/fmax.ll b/llvm/test/CodeGen/R600/fmax.ll
new file mode 100644
index 00000000000..3708f0b9eed
--- /dev/null
+++ b/llvm/test/CodeGen/R600/fmax.ll
@@ -0,0 +1,16 @@
+;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+
+;CHECK: MAX T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+
+define void @test() {
+   %r0 = call float @llvm.R600.load.input(i32 0)
+   %r1 = call float @llvm.R600.load.input(i32 1)
+   %r2 = fcmp uge float %r0, %r1
+   %r3 = select i1 %r2, float %r0, float %r1
+   call void @llvm.AMDGPU.store.output(float %r3, i32 0)
+   ret void
+}
+
+declare float @llvm.R600.load.input(i32) readnone
+
+declare void @llvm.AMDGPU.store.output(float, i32)
-- 
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