88 lines
2.7 KiB
LLVM
88 lines
2.7 KiB
LLVM
; Check that non-prevailing symbols in module inline assembly are discarded
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; during regular LTO otherwise the final symbol binding could be wrong.
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; RUN: split-file %s %t
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; RUN: opt %t/t1.ll -o %t1
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; RUN: opt %t/t2.ll -o %t2
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; RUN: opt %t/t3.ll -o %t3
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; RUN: opt %t/t4.ll -o %t4
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; RUN: llvm-lto2 run -o %to1 -save-temps %t1 %t2 \
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; RUN: -r %t1,foo,px \
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; RUN: -r %t2,foo, \
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; RUN: -r %t2,bar,pl
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; RUN: llvm-dis < %to1.0.0.preopt.bc | FileCheck %s --check-prefix=ASM1
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; RUN: llvm-nm %to1.0 | FileCheck %s --check-prefix=SYM
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; RUN: llvm-objdump -d --disassemble-symbols=foo %to1.0 \
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; RUN: | FileCheck %s --check-prefix=DEF
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; RUN: llvm-lto2 run -o %to2 -save-temps %t2 %t3 \
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; RUN: -r %t2,foo, \
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; RUN: -r %t2,bar,pl \
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; RUN: -r %t3,foo,px
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; RUN: llvm-dis < %to2.0.0.preopt.bc | FileCheck %s --check-prefix=ASM2
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; RUN: llvm-nm %to2.0 | FileCheck %s --check-prefix=SYM
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; RUN: llvm-objdump -d --disassemble-symbols=foo %to2.0 \
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; RUN: | FileCheck %s --check-prefix=DEF
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; Check that ".symver" is properly handled.
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; RUN: llvm-lto2 run -o %to3 -save-temps %t4 \
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; RUN: -r %t4,bar, \
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; RUN: -r %t4,foo, \
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; RUN: -r %t4,foo@@VER1,px
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; RUN: llvm-dis < %to3.0.0.preopt.bc | FileCheck %s --check-prefix=ASM3
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; ASM1: module asm ".lto_discard foo"
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; ASM1-NEXT: module asm ".weak foo"
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; ASM1-NEXT: module asm ".equ foo,bar"
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; ASM2: module asm ".lto_discard foo"
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; ASM2-NEXT: module asm ".weak foo"
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; ASM2-NEXT: module asm ".equ foo,bar"
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; ASM2-NEXT: module asm ".lto_discard"
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; ASM2-NEXT: module asm " .global foo ; foo: leal 2(%rdi), %eax"
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; ASM3-NOT: module asm ".lto_discard foo"
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; SYM: T foo
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; DEF: leal 2(%rdi), %eax
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;--- t1.ll
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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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define dso_local i32 @foo(i32 %0) {
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%2 = add nsw i32 %0, 2
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ret i32 %2
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}
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;--- t2.ll
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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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module asm ".weak foo"
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module asm ".equ foo,bar"
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@llvm.compiler.used = appending global [1 x i8*] [i8* bitcast (i32 (i32)* @bar to i8*)], section "llvm.metadata"
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define internal i32 @bar(i32 %0) {
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%2 = add nsw i32 %0, 1
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ret i32 %2
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}
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;--- t3.ll
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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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module asm " .global foo ; foo: leal 2(%rdi), %eax"
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;--- t4.ll
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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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module asm ".global foo"
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module asm "foo: call bar"
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module asm ".symver foo,foo@@@VER1"
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module asm ".symver bar,bar@@@VER1"
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