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AMDGPU: Fix not handling new workitem intrinsics in DivergenceAnalysis

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260491 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2016-02-11 05:32:51 +00:00
parent b49a0edca2
commit 5911f21abb
2 changed files with 48 additions and 0 deletions
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3
lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
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@ -115,6 +115,9 @@ static bool isIntrinsicSourceOfDivergence(const TargetIntrinsicInfo *TII,
// IntrinsicsAMDGPU.td
break;
case Intrinsic::amdgcn_workitem_id_x:
case Intrinsic::amdgcn_workitem_id_y:
case Intrinsic::amdgcn_workitem_id_z:
case Intrinsic::amdgcn_interp_p1:
case Intrinsic::amdgcn_interp_p2:
case Intrinsic::amdgcn_mbcnt_hi:

45
test/Analysis/DivergenceAnalysis/AMDGPU/workitem-intrinsics.ll Normal file
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@ -0,0 +1,45 @@
; RUN: opt -mtriple amdgcn-unknown-amdhsa -analyze -divergence %s | FileCheck %s
declare i32 @llvm.amdgcn.workitem.id.x() #0
declare i32 @llvm.amdgcn.workitem.id.y() #0
declare i32 @llvm.amdgcn.workitem.id.z() #0
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #0
; CHECK: DIVERGENT: %id.x = call i32 @llvm.amdgcn.workitem.id.x()
define void @workitem_id_x() #1 {
%id.x = call i32 @llvm.amdgcn.workitem.id.x()
store volatile i32 %id.x, i32 addrspace(1)* undef
ret void
}
; CHECK: DIVERGENT: %id.y = call i32 @llvm.amdgcn.workitem.id.y()
define void @workitem_id_y() #1 {
%id.y = call i32 @llvm.amdgcn.workitem.id.y()
store volatile i32 %id.y, i32 addrspace(1)* undef
ret void
}
; CHECK: DIVERGENT: %id.z = call i32 @llvm.amdgcn.workitem.id.z()
define void @workitem_id_z() #1 {
%id.z = call i32 @llvm.amdgcn.workitem.id.z()
store volatile i32 %id.z, i32 addrspace(1)* undef
ret void
}
; CHECK: DIVERGENT: %mbcnt.lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 0, i32 0)
define void @mbcnt_lo() #1 {
%mbcnt.lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 0, i32 0)
store volatile i32 %mbcnt.lo, i32 addrspace(1)* undef
ret void
}
; CHECK: DIVERGENT: %mbcnt.hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 0, i32 0)
define void @mbcnt_hi() #1 {
%mbcnt.hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 0, i32 0)
store volatile i32 %mbcnt.hi, i32 addrspace(1)* undef
ret void
}
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }