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TheRock/compiler/amd-llvm/llvm/test/Transforms/InferAddressSpaces/AMDGPU/phi-poison.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

36 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -S -passes=infer-address-spaces %s | FileCheck %s
define void @phi_poison(ptr addrspace(1) %arg, <2 x ptr addrspace(1)> %arg1) {
; CHECK-LABEL: @phi_poison(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i1 @is_leader()
; CHECK-NEXT: br i1 [[TMP0]], label [[LEADER:%.*]], label [[MERGE:%.*]]
; CHECK: leader:
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[I:%.*]] = phi ptr addrspace(1) [ [[ARG:%.*]], [[LEADER]] ], [ poison, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[I2:%.*]] = phi <2 x ptr addrspace(1)> [ [[ARG1:%.*]], [[LEADER]] ], [ poison, [[ENTRY]] ]
; CHECK-NEXT: [[J:%.*]] = icmp eq ptr addrspace(1) [[I]], addrspacecast (ptr null to ptr addrspace(1))
; CHECK-NEXT: [[J1:%.*]] = icmp eq <2 x ptr addrspace(1)> [[I2]], <ptr addrspace(1) addrspacecast (ptr null to ptr addrspace(1)), ptr addrspace(1) addrspacecast (ptr null to ptr addrspace(1))>
; CHECK-NEXT: ret void
;
entry:
%is = call i1 @is_leader()
br i1 %is, label %leader, label %merge
leader:
%cast = addrspacecast ptr addrspace(1) %arg to ptr
%cast1 = addrspacecast <2 x ptr addrspace(1)> %arg1 to <2 x ptr>
br label %merge
merge:
%i = phi ptr [%cast, %leader], [poison, %entry]
%i1 = phi <2 x ptr> [%cast1, %leader], [poison, %entry]
%j = icmp eq ptr %i, null
%j1 = icmp eq <2 x ptr> %i1, zeroinitializer
ret void
}
declare i1 @is_leader()