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1; RUN: opt -S < %s -passes=constmerge | FileCheck %s2; 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 alignment4 5declare void @zed(ptr, ptr)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 19declare void @helper(ptr)20@var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 1621@var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 122@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 1627 28@var4a = alias %struct.foobar, ptr @var429@llvm.used = appending global [1 x ptr] [ptr @var4a], section "llvm.metadata"30 31define i32 @main() {32entry:33 call void @zed(ptr @var1, ptr @var2)34 call void @zed(ptr @var3, ptr @var4)35 call void @helper(ptr @var5)36 call void @helper(ptr @var6)37 call void @helper(ptr @var7)38 call void @helper(ptr @var8)39 ret i32 040}41 42