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llvm-6502/test/Linker/override-with-internal-linkage.ll

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Linker: Add flag to override linkage rules Add a flag to lib/Linker (and `llvm-link`) to override linkage rules. When set, the functions in the source module *always* replace those in the destination module. The `llvm-link` option is `-override=abc.ll`. All the "regular" modules are loaded and linked first, followed by the `-override` modules. This is useful for debugging workflows where some subset of the module (e.g., a single function) is extracted into a separate file where it's optimized differently, before being merged back in. Patch by Luqman Aden! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235473 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-22 04:11:00 +00:00
; RUN: llvm-link %s -override %S/Inputs/override-with-internal-linkage.ll -S | FileCheck %s
; RUN: llvm-link -override %S/Inputs/override-with-internal-linkage.ll %s -S | FileCheck %s
Linker: Update -override testcase to check callers Check that `@main` is calling `@foo2` (the renamed internal function), not the `@foo` with external linkage that's been pulled in from the override file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235730 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-24 16:56:24 +00:00
; CHECK-LABEL: define i32 @main(
Linker: Add flag to override linkage rules Add a flag to lib/Linker (and `llvm-link`) to override linkage rules. When set, the functions in the source module *always* replace those in the destination module. The `llvm-link` option is `-override=abc.ll`. All the "regular" modules are loaded and linked first, followed by the `-override` modules. This is useful for debugging workflows where some subset of the module (e.g., a single function) is extracted into a separate file where it's optimized differently, before being merged back in. Patch by Luqman Aden! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235473 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-22 04:11:00 +00:00
; CHECK-NEXT: entry:
Linker: Update -override testcase to check callers Check that `@main` is calling `@foo2` (the renamed internal function), not the `@foo` with external linkage that's been pulled in from the override file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235730 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-24 16:56:24 +00:00
; CHECK-NEXT: call i32 @foo2(
define i32 @main(i32 %argc, i8** %argv) {
entry:
%a = call i32 @foo(i32 2)
ret i32 %a
}
Linker: Add flag to override linkage rules Add a flag to lib/Linker (and `llvm-link`) to override linkage rules. When set, the functions in the source module *always* replace those in the destination module. The `llvm-link` option is `-override=abc.ll`. All the "regular" modules are loaded and linked first, followed by the `-override` modules. This is useful for debugging workflows where some subset of the module (e.g., a single function) is extracted into a separate file where it's optimized differently, before being merged back in. Patch by Luqman Aden! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235473 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-22 04:11:00 +00:00
Linker: Update -override testcase to check callers Check that `@main` is calling `@foo2` (the renamed internal function), not the `@foo` with external linkage that's been pulled in from the override file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235730 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-24 16:56:24 +00:00
; CHECK-LABEL: define internal i32 @foo2(
Linker: Add flag to override linkage rules Add a flag to lib/Linker (and `llvm-link`) to override linkage rules. When set, the functions in the source module *always* replace those in the destination module. The `llvm-link` option is `-override=abc.ll`. All the "regular" modules are loaded and linked first, followed by the `-override` modules. This is useful for debugging workflows where some subset of the module (e.g., a single function) is extracted into a separate file where it's optimized differently, before being merged back in. Patch by Luqman Aden! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235473 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-22 04:11:00 +00:00
; CHECK-NEXT: entry:
Linker: Update -override testcase to check callers Check that `@main` is calling `@foo2` (the renamed internal function), not the `@foo` with external linkage that's been pulled in from the override file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235730 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-24 16:56:24 +00:00
; CHECK-NEXT: %add = add nsw i32 %i, %i
; CHECK-NEXT: ret i32 %add
Linker: Add flag to override linkage rules Add a flag to lib/Linker (and `llvm-link`) to override linkage rules. When set, the functions in the source module *always* replace those in the destination module. The `llvm-link` option is `-override=abc.ll`. All the "regular" modules are loaded and linked first, followed by the `-override` modules. This is useful for debugging workflows where some subset of the module (e.g., a single function) is extracted into a separate file where it's optimized differently, before being merged back in. Patch by Luqman Aden! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235473 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-22 04:11:00 +00:00
define internal i32 @foo(i32 %i) {
entry:
%add = add nsw i32 %i, %i
ret i32 %add
}
Linker: Update -override testcase to check callers Check that `@main` is calling `@foo2` (the renamed internal function), not the `@foo` with external linkage that's been pulled in from the override file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235730 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-24 16:56:24 +00:00
; CHECK-LABEL: define i32 @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 4
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