llvm-project/llvm/test/Transforms/LoopStrengthReduce/AMDGPU/different-addrspace-crash.ll

31 lines
918 B
LLVM

; RUN: llc < %s | FileCheck %s
target triple = "amdgcn--"
; We need to compile this for a target where we have different address spaces,
; and where pointers in those address spaces have different size.
; E.g. for amdgcn-- pointers in address space 0 are 32 bits and pointers in
; address space 1 are 64 bits.
; We shouldn't crash. Check that we get a loop with the two stores.
;CHECK-LABEL: foo:
;CHECK: [[LOOP_LABEL:BB[0-9]+_[0-9]+]]:
;CHECK: buffer_store_dword
;CHECK: buffer_store_dword
;CHECK: s_branch [[LOOP_LABEL]]
define amdgpu_kernel void @foo() {
entry:
br label %loop
loop:
%idx0 = phi i32 [ %next_idx0, %loop ], [ 0, %entry ]
%0 = getelementptr inbounds i32, i32 addrspace(5)* null, i32 %idx0
%1 = getelementptr inbounds i32, i32 addrspace(1)* null, i32 %idx0
store i32 1, i32 addrspace(5)* %0
store i32 7, i32 addrspace(1)* %1
%next_idx0 = add nuw nsw i32 %idx0, 1
br label %loop
}