llvm-6502/test/CodeGen/R600/fmin.ll
Vincent Lejeune 512119770e R600: Schedule copy from phys register at beginning of block
It allows regalloc pass to remove them by trivially assigning associated reg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183336 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-05 20:27:35 +00:00

17 lines
498 B
LLVM

;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
;CHECK: MIN * 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 %r1, float %r0
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)