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3354133b84
An attempt to recommit r346584 after failure on OSX build bot. Fixed cache key computation in ThinLTOCodeGenerator and added test case llvm-svn: 347033
27 lines
856 B
LLVM
27 lines
856 B
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/index-const-prop-define-g.ll -o %t2.bc
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; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,g,pl \
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; RUN: %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,foo,pl -r=%t1.bc,g, -o %t3
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; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s
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; Dead globals are converted to declarations by ThinLTO in dropDeadSymbols
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; If we try to internalize such we'll get a broken module.
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; CHECK: @g = external dso_local global i32
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@g = external global i32
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; We need at least one live symbol to enable dead stripping
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; Otherwise ModuleSummaryIndex::isGlobalValueLive will always
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; return true.
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define i32 @main() {
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ret i32 42
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}
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define i32 @foo() {
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%v = load i32, i32* @g
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ret i32 %v
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}
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