27 lines
868 B
LLVM
27 lines
868 B
LLVM
; RUN: opt -S -passes='require<globals-aa>,function-attrs' < %s | FileCheck %s
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; RUN: opt -S -O3 < %s | FileCheck %s
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; Apart from checking for the direct cause of the bug, we also check
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; if any problematic aliasing rules have accidentally snuck into -O3.
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;
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; Since the "abc" operand bundle is not a special operand bundle that
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; LLVM knows about, all of the stores and loads in @test below have to
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; stay.
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declare void @foo() readnone
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; CHECK-LABEL: define ptr @test(ptr %p)
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; CHECK: %a = alloca ptr, align 8
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; CHECK: store ptr %p, ptr %a, align 8
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; CHECK: call void @foo() [ "abc"(ptr %a) ]
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; CHECK: %reload = load ptr, ptr %a, align 8
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; CHECK: ret ptr %reload
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; CHECK: }
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define ptr @test(ptr %p) {
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%a = alloca ptr, align 8
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store ptr %p, ptr %a, align 8
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call void @foo() ["abc" (ptr %a)]
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%reload = load ptr, ptr %a, align 8
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ret ptr %reload
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}
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