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1edc654103
First attempt at implementing -fsemantic-interposition. Rely on GlobalValue::isInterposable that already captures most of the expected behavior. Rely on a ModuleFlag to state whether we should respect SemanticInterposition or not. The default remains no. So this should be a no-op if -fsemantic-interposition isn't used, and if it is, isInterposable being already used in most optimisation, they should honor it properly. Note that it only impacts architecture compiled with -fPIC and no pie. Differential Revision: https://reviews.llvm.org/D72829
13 lines
389 B
LLVM
13 lines
389 B
LLVM
; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@foo = dso_local global i32 1, align 4
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"SemanticInterposition", float 1.}
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; CHECK: SemanticInterposition metadata requires constant integer argument
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