forked from OSchip/llvm-project
42 lines
1.6 KiB
LLVM
42 lines
1.6 KiB
LLVM
; RUN: opt -S < %s -passes=constmerge | FileCheck %s
|
|
; Test that in one run var3 is merged into var2 and var1 into var4.
|
|
; Test that we merge @var5 and @var6 into one with the higher alignment
|
|
|
|
declare void @zed(%struct.foobar*, %struct.foobar*)
|
|
|
|
%struct.foobar = type { i32 }
|
|
|
|
@var1 = internal constant %struct.foobar { i32 2 }
|
|
@var2 = unnamed_addr constant %struct.foobar { i32 2 }
|
|
@var3 = internal constant %struct.foobar { i32 2 }
|
|
@var4 = unnamed_addr constant %struct.foobar { i32 2 }
|
|
|
|
; CHECK: %struct.foobar = type { i32 }
|
|
; CHECK-NOT: @
|
|
; CHECK: @var2 = constant %struct.foobar { i32 2 }
|
|
; CHECK-NEXT: @var4 = constant %struct.foobar { i32 2 }
|
|
|
|
declare void @helper([16 x i8]*)
|
|
@var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 16
|
|
@var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 1
|
|
@var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
|
|
@var8 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00"
|
|
|
|
; CHECK-NEXT: @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
|
|
; CHECK-NEXT: @var8 = private constant [16 x i8] c"foo1bar2foo3bar\00", align 16
|
|
|
|
@var4a = alias %struct.foobar, %struct.foobar* @var4
|
|
@llvm.used = appending global [1 x %struct.foobar*] [%struct.foobar* @var4a], section "llvm.metadata"
|
|
|
|
define i32 @main() {
|
|
entry:
|
|
call void @zed(%struct.foobar* @var1, %struct.foobar* @var2)
|
|
call void @zed(%struct.foobar* @var3, %struct.foobar* @var4)
|
|
call void @helper([16 x i8]* @var5)
|
|
call void @helper([16 x i8]* @var6)
|
|
call void @helper([16 x i8]* @var7)
|
|
call void @helper([16 x i8]* @var8)
|
|
ret i32 0
|
|
}
|
|
|