llvm/test/CodeGen/R600/fmax.ll
Tom Stellard f98f2ce29e Add R600 backend
A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 21:25:42 +00:00

17 lines
496 B
LLVM

;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)