1 ; RUN: opt -S < %s -passes=constmerge | FileCheck %s 2 ; Test that in one run var3 is merged into var2 and var1 into var4. 3 ; Test that we merge @var5 and @var6 into one with the higher alignment 4 5 declare void @zed(%struct.foobar*, %struct.foobar*) 6 7 %struct.foobar = type { i32 } 8 9 @var1 = internal constant %struct.foobar { i32 2 } 10 @var2 = unnamed_addr constant %struct.foobar { i32 2 } 11 @var3 = internal constant %struct.foobar { i32 2 } 12 @var4 = unnamed_addr constant %struct.foobar { i32 2 } 13 14 ; CHECK: %struct.foobar = type { i32 } 15 ; CHECK-NOT: @ 16 ; CHECK: @var2 = constant %struct.foobar { i32 2 } 17 ; CHECK-NEXT: @var4 = constant %struct.foobar { i32 2 } 18 19 declare void @helper([16 x i8]*) 20 @var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 16 21 @var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 1 22 @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00" 23 @var8 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00" 24 25 ; CHECK-NEXT: @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00" 26 ; CHECK-NEXT: @var8 = private constant [16 x i8] c"foo1bar2foo3bar\00", align 16 27 28 @var4a = alias %struct.foobar, %struct.foobar* @var4 29 @llvm.used = appending global [1 x %struct.foobar*] [%struct.foobar* @var4a], section "llvm.metadata" 30 31 define i32 @main() { 32 entry: 33 call void @zed(%struct.foobar* @var1, %struct.foobar* @var2) 34 call void @zed(%struct.foobar* @var3, %struct.foobar* @var4) 35 call void @helper([16 x i8]* @var5) 36 call void @helper([16 x i8]* @var6) 37 call void @helper([16 x i8]* @var7) 38 call void @helper([16 x i8]* @var8) 39 ret i32 0 40 } 41 42
