50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
;; struct Node;
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;; typedef struct {
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;; __global struct Node* pNext;
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;; } Node;
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;;
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;; __kernel void verify_linked_lists(__global Node* pNodes)
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;; {
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;; __global Node *pNode = pNodes;
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;;
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;; for(int j=0; j < 10; j++) {
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;; pNode = pNode->pNext;
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;; }
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;; }
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; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
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%struct.Node = type { %struct.Node.0 addrspace(1)* }
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%struct.Node.0 = type opaque
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define spir_kernel void @verify_linked_lists(%struct.Node addrspace(1)* %pNodes) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%pNode.0 = phi %struct.Node addrspace(1)* [ %pNodes, %entry ], [ %1, %for.inc ]
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%j.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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; CHECK-SPIRV: %[[#]] = OpPhi %[[#]] %[[#]] %[[#]] %[[#BitcastResultId:]] %[[#]]
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; CHECK-SPIRV-NEXT: OpPhi
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%cmp = icmp slt i32 %j.0, 10
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%pNext = getelementptr inbounds %struct.Node, %struct.Node addrspace(1)* %pNode.0, i32 0, i32 0
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%0 = load %struct.Node.0 addrspace(1)*, %struct.Node.0 addrspace(1)* addrspace(1)* %pNext, align 4
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%1 = bitcast %struct.Node.0 addrspace(1)* %0 to %struct.Node addrspace(1)*
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; CHECK-SPIRV: %[[#LoadResultId:]] = OpLoad %[[#]]
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; CHECK-SPIRV: %[[#BitcastResultId]] = OpBitcast %[[#]] %[[#LoadResultId]]
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add nsw i32 %j.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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