forked from OSchip/llvm-project
30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
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; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s
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; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s
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;
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; A test to make sure that we can look through bitcasts of
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; vector types when a base pointer is contained in a vector.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1"
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target triple = "x86_64-unknown-linux-gnu"
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declare i8 addrspace(1)* @foo()
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; Function Attrs: uwtable
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define i32 @test() gc "statepoint-example" {
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; CHECK-LABEL: @test
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entry:
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; CHECK-LABEL: entry
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; CHECK: %bc = bitcast
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; CHECK: %[[p1:[A-Za-z0-9_]+]] = extractelement
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; CHECK: %[[p2:[A-Za-z0-9_]+]] = extractelement
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; CHECK: llvm.experimental.gc.statepoint
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; CHECK: %[[p2]].relocated = {{.+}} @llvm.experimental.gc.relocate
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; CHECK: %[[p1]].relocated = {{.+}} @llvm.experimental.gc.relocate
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; CHECK: load atomic
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%bc = bitcast <8 x i8 addrspace(1)*> undef to <8 x i32 addrspace(1)*>
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%ptr= extractelement <8 x i32 addrspace(1)*> %bc, i32 7
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%0 = call i8 addrspace(1)* @foo() [ "deopt"() ]
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%1 = load atomic i32, i32 addrspace(1)* %ptr unordered, align 4
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ret i32 %1
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}
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