1;; Test that the global merge pass does not pool globals that are 2;; in llvm.used or in llvm.compiler.used. 3 4; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple powerpc-ibm-aix-xcoff \ 5; RUN: -data-sections=false < %s | \ 6; RUN: FileCheck %s 7 8; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple powerpc64-ibm-aix-xcoff \ 9; RUN: -data-sections=false < %s | \ 10; RUN: FileCheck %s 11 12@keep_this = internal constant [5 x i8] c"keep1", align 1 13@keep_this2 = internal constant [5 x i8] c"keep2", align 1 14@.str.1 = private unnamed_addr constant [12 x i8] c"str1_STRING\00", align 1 15@.str.2 = private unnamed_addr constant [12 x i8] c"str2_STRING\00", align 1 16@.str.3 = private unnamed_addr constant [12 x i8] c"str3_STRING\00", align 1 17@llvm.used = appending global [1 x ptr] [ptr @keep_this], section "llvm.metadata" 18@llvm.compiler.used = appending global [1 x ptr] [ptr @keep_this2], section "llvm.metadata" 19 20declare signext i32 @callee(ptr noundef) 21 22define dso_local signext i32 @keep1() { 23entry: 24 %call = tail call signext i32 @callee(ptr noundef nonnull @keep_this) 25 ret i32 %call 26} 27 28define dso_local signext i32 @keep2() { 29entry: 30 %call = tail call signext i32 @callee(ptr noundef nonnull @keep_this2) 31 ret i32 %call 32} 33 34define dso_local signext i32 @str1() { 35entry: 36 %call = tail call signext i32 @callee(ptr noundef nonnull @.str.1) 37 ret i32 %call 38} 39 40define dso_local signext i32 @str2() { 41entry: 42 %call = tail call signext i32 @callee(ptr noundef nonnull @.str.2) 43 ret i32 %call 44} 45 46define dso_local signext i32 @str3() { 47entry: 48 %call = tail call signext i32 @callee(ptr noundef nonnull @.str.3) 49 ret i32 %call 50} 51 52; CHECK: .lglobl keep_this 53; CHECK: keep_this: 54; CHECK: .lglobl keep_this2 55; CHECK: keep_this2: 56; CHECK: L.._MergedGlobals: 57; CHECK: .string "str1_STRING" 58; CHECK: .string "str2_STRING" 59; CHECK: .string "str3_STRING" 60