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llvm-mirror/test/tools/llvm-split/scc-const-alias.ll
Sergei Larin 6eb351346a [SplitModule] In split module utility we should never separate alias with its aliasee.
Summary: When splitting module with preserving locals, we currently do not handle case of global alias being separated with its aliasee.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D16585

llvm-svn: 259075
2016-01-28 18:59:28 +00:00

39 lines
1.1 KiB
LLVM
Executable File

; We should never separate alias from aliasee.
; RUN: llvm-split -j=3 -preserve-locals -o %t %s
; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK2 %s
; Checks are not critical here - verifier will assert if we fail.
; CHECK0: @g1 = global i32 99
; CHECK0: @c1Alias = external global i8
; CHECK0: @g1Alias = internal alias i8, bitcast (i32* @g1 to i8*)
; CHECK1: @g1 = external global i32
; CHECK1: @c1Alias = internal alias i8, inttoptr (i64 42 to i8*)
; Third file is actually empty.
; CHECK2: @g1 = external global i32
; CHECK2: @g1Alias = external global i8
; CHECK2: @c1Alias = external global i8
@g1 = global i32 99
@g1Alias = internal alias i8, bitcast (i32* @g1 to i8*)
@c1Alias = internal alias i8, inttoptr (i64 42 to i8*)
@funExternalAlias = alias i8 (), i8 ()* @funExternal
define i8 @funExternal() {
entry:
%x = load i8, i8* @g1Alias
ret i8 %x
}
define i8 @funExternal2() {
entry:
%x = load i8, i8* @c1Alias
%y = call i8 @funExternalAlias()
%z = add i8 %x, %y
ret i8 %z
}