llvm-6502/test/CodeGen/R600/fmax.ll
Tom Stellard 9c598cfebc R600: Fix handling of NAN in comparison instructions
We were completely ignoring the unorder/ordered attributes of condition
codes and also incorrectly lowering seto and setuo.

Reviewed-by: Vincent Lejeune<vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-28 02:50:50 +00:00

17 lines
498 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 oge 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)