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062b5d40cb
for 32 bit signed, 32 bit unsigned, and 64 bit pointers." This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5. Original review at https://reviews.llvm.org/D64931. Review for added fix at https://reviews.llvm.org/D66843. llvm-svn: 371568
56 lines
3.0 KiB
LLVM
56 lines
3.0 KiB
LLVM
; Test to ensure that the Enable Split LTO Unit flag is set properly in the
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; summary, and that we correctly silently handle linking bitcode files with
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; different values of this flag.
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; Linking bitcode both with EnableSplitLTOUnit set should work
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1 %s
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; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=SPLITLTOUNIT
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; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=ENABLESPLITFLAG
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t2 %s
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; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=SPLITLTOUNIT
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; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=ENABLESPLITFLAG
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; RUN: llvm-lto2 run -o %t3 %t1 %t2
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; Linking bitcode both without EnableSplitLTOUnit set should work
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit=false -o %t1 %s
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; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=NOSPLITLTOUNIT
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; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=NOENABLESPLITFLAG
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit=false -o %t2 %s
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; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=NOSPLITLTOUNIT
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; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=NOENABLESPLITFLAG
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; RUN: llvm-lto2 run -o %t3 %t1 %t2
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; Linking bitcode with different values of EnableSplitLTOUnit should succeed
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; (silently skipping any optimizations like whole program devirt that rely
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; on all modules being split).
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1 %s
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; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=SPLITLTOUNIT
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; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=ENABLESPLITFLAG
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit=false -o %t2 %s
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; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=NOSPLITLTOUNIT
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; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=NOENABLESPLITFLAG
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; RUN: llvm-lto2 run -o %t3 %t1 %t2
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; Linking bitcode with different values of EnableSplitLTOUnit (reverse order)
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; should succeed (silently skipping any optimizations like whole program devirt
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; that rely on all modules being split).
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit=false -o %t1 %s
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; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=NOSPLITLTOUNIT
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; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=NOENABLESPLITFLAG
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t2 %s
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; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=SPLITLTOUNIT
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; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=ENABLESPLITFLAG
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; RUN: llvm-lto2 run -o %t3 %t1 %t2
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; The flag should be set when splitting is disabled (for backwards compatibility
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; with older bitcode where it was always enabled).
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; SPLITLTOUNIT: <FLAGS op0=8/>
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; NOSPLITLTOUNIT: <FLAGS op0=0/>
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; Check that the corresponding module flag is set when expected.
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; ENABLESPLITFLAG: !{i32 1, !"EnableSplitLTOUnit", i32 1}
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; NOENABLESPLITFLAG-NOT: !{i32 1, !"EnableSplitLTOUnit", i32 1}
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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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