| ; 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 |
| } |
| |