llvm-6502/test/CodeGen/R600/fcmp-cnde-int-args.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

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598 B
LLVM

;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
; This test checks a bug in R600TargetLowering::LowerSELECT_CC where the
; chance to optimize the fcmp + select instructions to CNDE was missed
; due to the fact that the operands to fcmp and select had different types
;CHECK: CNDE T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], literal.x, 0.0, -1}}
define void @test(i32 addrspace(1)* %out, float addrspace(1)* %in) {
entry:
%0 = load float addrspace(1)* %in
%cmp = fcmp oeq float %0, 0.000000e+00
%value = select i1 %cmp, i32 -1, i32 0
store i32 %value, i32 addrspace(1)* %out
ret void
}