eb74d8e03c
Add an index-wide flag indicating whether index-based internalization and promotion have completed. This will be used in a follow on change.
40 lines
1.6 KiB
LLVM
40 lines
1.6 KiB
LLVM
; REQUIRES: x86-registered-target
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; RUN: opt -module-summary %s -o %t.o
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;; By default, the indexing step should perform and set the appropriate index
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;; flags for dead stripping, attribute propagation, DSO local propagation,
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;; and internalization/promotion.
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; RUN: llvm-lto2 run %t.o -o %t.out -thinlto-distributed-indexes \
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; RUN: -r %t.o,glob,plx
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; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s --check-prefix=ALL
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;; The flag value should be 0x461 aka 1121:
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;; 0x1: Dead stripping
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;; 0x20: Attribute propagation
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;; 0x40: DSO local propagation
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;; 0x400: Internalization/promotion
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; ALL: <FLAGS op0=1121/>
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;; Ensure dead stripping performed flag is not set on distributed index
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;; when option used to disable dead stripping computation.
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; RUN: llvm-lto2 run %t.o -o %t.out -thinlto-distributed-indexes \
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; RUN: -r %t.o,glob,plx -compute-dead=false
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; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s --check-prefix=NODEAD
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;; Flag should be 0x460 aka 1120.
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; NODEAD: <FLAGS op0=1120/>
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;; Disabling attribute propagation should disable that as well as DSO local
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;; propagation.
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; RUN: llvm-lto2 run %t.o -o %t.out -thinlto-distributed-indexes \
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; RUN: -r %t.o,glob,plx -propagate-attrs=false
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; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s --check-prefix=NOPROP
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;; Flag should be 0x401 aka 1025.
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; NOPROP: <FLAGS op0=1025/>
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;; Note there isn't currently a way to disable internalization+promotion, which
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;; are performed together.
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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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@glob = global i32 0
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