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1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/LoopStrengthReduce/AMDGPU/different-addrspace-crash.ll b/test/Transforms/LoopStrengthReduce/AMDGPU/different-addrspace-crash.ll
new file mode 100644
index 000000000000..02c3c05e7945
--- /dev/null
+++ b/test/Transforms/LoopStrengthReduce/AMDGPU/different-addrspace-crash.ll
@@ -0,0 +1,31 @@
+; RUN: llc < %s | FileCheck %s
+
+target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
+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* null, i32 %idx0
+ %1 = getelementptr inbounds i32, i32 addrspace(1)* null, i32 %idx0
+ store i32 1, i32* %0
+ store i32 7, i32 addrspace(1)* %1
+ %next_idx0 = add nuw nsw i32 %idx0, 1
+ br label %loop
+}
+