1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature 2; RUN: opt -S -passes=globalopt -o - < %s | FileCheck %s 3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 5target triple = "x86_64-unknown-linux-gnu" 6 7@_ZL3g_i = internal global ptr null, align 8 8@.str = private unnamed_addr constant [2 x i8] c"0\00", align 1 9@.str.1 = private unnamed_addr constant [2 x i8] c"1\00", align 1 10 11define dso_local i32 @main() { 12; CHECK-LABEL: define {{[^@]+}}@main() local_unnamed_addr { 13; CHECK-NEXT: bb: 14; CHECK-NEXT: store ptr null, ptr @_ZL3g_i, align 8 15; CHECK-NEXT: call fastcc void @_ZL13PutsSomethingv() 16; CHECK-NEXT: ret i32 0 17; 18bb: 19 store ptr null, ptr @_ZL3g_i, align 8 20 call void @_ZL13PutsSomethingv() 21 ret i32 0 22} 23 24define internal void @_ZL13PutsSomethingv() { 25; CHECK-LABEL: define {{[^@]+}}@_ZL13PutsSomethingv() unnamed_addr { 26; CHECK-NEXT: bb: 27; CHECK-NEXT: [[I:%.*]] = load ptr, ptr @_ZL3g_i, align 8 28; CHECK-NEXT: [[I1:%.*]] = icmp eq ptr [[I]], null 29; CHECK-NEXT: br i1 [[I1]], label [[BB2:%.*]], label [[BB6:%.*]] 30; CHECK: bb2: 31; CHECK-NEXT: [[I3:%.*]] = call noalias ptr @malloc(i64 4) 32; CHECK-NEXT: store ptr [[I3]], ptr @_ZL3g_i, align 8 33; CHECK-NEXT: [[I5:%.*]] = call i32 @puts(ptr @.str) 34; CHECK-NEXT: br label [[BB8:%.*]] 35; CHECK: bb6: 36; CHECK-NEXT: [[I7:%.*]] = call i32 @puts(ptr @.str.1) 37; CHECK-NEXT: br label [[BB8]] 38; CHECK: bb8: 39; CHECK-NEXT: ret void 40; 41bb: 42 %i = load ptr, ptr @_ZL3g_i, align 8 43 %i1 = icmp eq ptr %i, null 44 br i1 %i1, label %bb2, label %bb6 45 46bb2: ; preds = %bb 47 %i3 = call noalias ptr @malloc(i64 4) 48 store ptr %i3, ptr @_ZL3g_i, align 8 49 %i5 = call i32 @puts(ptr @.str) 50 br label %bb8 51 52bb6: ; preds = %bb 53 %i7 = call i32 @puts(ptr @.str.1) 54 br label %bb8 55 56bb8: ; preds = %bb6, %bb2 57 ret void 58} 59 60; Function Attrs: allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) 61declare dso_local noalias ptr @malloc(i64) #0 62 63declare dso_local i32 @puts(ptr nocapture readonly) 64