llvm-6502/test/CodeGen/R600/dagcombiner-bug-illegal-vec4-int-to-fp.ll

37 lines
1.3 KiB
LLVM

;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
; This test is for a bug in
; DAGCombiner::reduceBuildVecConvertToConvertBuildVec() where
; the wrong type was being passed to
; TargetLowering::getOperationAction() when checking the legality of
; ISD::UINT_TO_FP and ISD::SINT_TO_FP opcodes.
; CHECK: {{^}}sint:
; CHECK: INT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @sint(<4 x float> addrspace(1)* %out, i32 addrspace(1)* %in) {
entry:
%ptr = getelementptr i32 addrspace(1)* %in, i32 1
%sint = load i32 addrspace(1) * %in
%conv = sitofp i32 %sint to float
%0 = insertelement <4 x float> undef, float %conv, i32 0
%splat = shufflevector <4 x float> %0, <4 x float> undef, <4 x i32> zeroinitializer
store <4 x float> %splat, <4 x float> addrspace(1)* %out
ret void
}
;CHECK: {{^}}uint:
;CHECK: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @uint(<4 x float> addrspace(1)* %out, i32 addrspace(1)* %in) {
entry:
%ptr = getelementptr i32 addrspace(1)* %in, i32 1
%uint = load i32 addrspace(1) * %in
%conv = uitofp i32 %uint to float
%0 = insertelement <4 x float> undef, float %conv, i32 0
%splat = shufflevector <4 x float> %0, <4 x float> undef, <4 x i32> zeroinitializer
store <4 x float> %splat, <4 x float> addrspace(1)* %out
ret void
}