27 lines
1.3 KiB
LLVM
27 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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@global = external addrspace(1) global i8
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; derived %select base null
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define i8 @test(i1 %cond) gc "statepoint-example" {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: [[DERIVED1:%.*]] = getelementptr i8, ptr addrspace(1) @global, i64 1
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; CHECK-NEXT: [[DERIVED2:%.*]] = getelementptr i8, ptr addrspace(1) @global, i64 2
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; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[COND:%.*]], ptr addrspace(1) [[DERIVED1]], ptr addrspace(1) [[DERIVED2]]
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; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @extern, i32 0, i32 0, i32 0, i32 0)
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; CHECK-NEXT: [[LOAD:%.*]] = load i8, ptr addrspace(1) [[SELECT]], align 1
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; CHECK-NEXT: ret i8 [[LOAD]]
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;
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%derived1 = getelementptr i8, ptr addrspace(1) @global, i64 1
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%derived2 = getelementptr i8, ptr addrspace(1) @global, i64 2
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%select = select i1 %cond, ptr addrspace(1) %derived1, ptr addrspace(1) %derived2
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call void @extern()
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%load = load i8, ptr addrspace(1) %select
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ret i8 %load
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}
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declare void @extern() gc "statepoint-example"
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declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
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