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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
51 lines
1.7 KiB
LLVM
51 lines
1.7 KiB
LLVM
; Check that we optimize out writeonly variables and corresponding stores.
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; This test uses llvm-lto2
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; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/index-const-prop.ll -o %t2.bc
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; RUN: llvm-lto2 run %t1.bc %t2.bc -save-temps \
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; RUN: -r=%t2.bc,foo,pl \
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; RUN: -r=%t2.bc,bar,pl \
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; RUN: -r=%t2.bc,baz,pl \
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; RUN: -r=%t2.bc,rand, \
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; RUN: -r=%t2.bc,gBar,pl \
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; RUN: -r=%t1.bc,main,plx \
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; RUN: -r=%t1.bc,baz, \
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; RUN: -r=%t1.bc,gBar, \
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; RUN: -o %t3
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; RUN: llvm-dis %t3.1.3.import.bc -o - | FileCheck %s --check-prefix=IMPORT
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; RUN: llvm-dis %t3.1.5.precodegen.bc -o - | FileCheck %s --check-prefix=CODEGEN
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; Check that gFoo and gBar were eliminated from source module together
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; with corresponsing stores
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; RUN: llvm-dis %t3.2.5.precodegen.bc -o - | FileCheck %s --check-prefix=CODEGEN-SRC
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; IMPORT: @gFoo.llvm.0 = internal unnamed_addr global i32 1, align 4
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; IMPORT-NEXT: @gBar = internal local_unnamed_addr global i32 2, align 4
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; IMPORT: !DICompileUnit({{.*}})
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; CODEGEN-NOT: gFoo
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; CODEGEN-NOT: gBar
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; CODEGEN: i32 @main
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; CODEGEN-NEXT: %1 = tail call i32 @rand()
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; CODEGEN-NEXT: %2 = tail call i32 @rand()
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; CODEGEN-NEXT: ret i32 0
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; CODEGEN-SRC-NOT: gFoo
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; CODEGEN-SRC-NOT: gBar
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; CODEGEN-SRC: void @baz()
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; CODEGEN-SRC-NEXT: %1 = tail call i32 @rand()
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; CODEGEN-SRC-NEXT: %2 = tail call i32 @rand()
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; CODEGEN-SRC-NEXT: ret void
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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-pc-linux-gnu"
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; We should be able to link external definition of gBar to its declaration
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@gBar = external global i32
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define i32 @main() local_unnamed_addr {
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tail call void @baz()
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ret i32 0
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}
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declare void @baz() local_unnamed_addr
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