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 4; No malloc promotion with non-null check. 5 6target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 7target triple = "x86_64-unknown-linux-gnu" 8 9@_ZL3g_i = internal global ptr null, align 8 10@_ZL3g_j = global ptr null, align 8 11@.str = private unnamed_addr constant [2 x i8] c"0\00", align 1 12@.str.1 = private unnamed_addr constant [2 x i8] c"1\00", align 1 13 14define dso_local i32 @main() { 15; CHECK-LABEL: define {{[^@]+}}@main() local_unnamed_addr { 16; CHECK-NEXT: bb: 17; CHECK-NEXT: store ptr null, ptr @_ZL3g_i, align 8 18; CHECK-NEXT: call fastcc void @_ZL13PutsSomethingv() 19; CHECK-NEXT: ret i32 0 20; 21bb: 22 store ptr null, ptr @_ZL3g_i, align 8 23 call void @_ZL13PutsSomethingv() 24 ret i32 0 25} 26 27define internal void @_ZL13PutsSomethingv() { 28; CHECK-LABEL: define {{[^@]+}}@_ZL13PutsSomethingv() unnamed_addr { 29; CHECK-NEXT: bb: 30; CHECK-NEXT: [[I:%.*]] = load ptr, ptr @_ZL3g_i, align 8 31; CHECK-NEXT: [[I1:%.*]] = load ptr, ptr @_ZL3g_j, align 8 32; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[I]], [[I1]] 33; CHECK-NEXT: br i1 [[CMP]], label [[BB2:%.*]], label [[BB6:%.*]] 34; CHECK: bb2: 35; CHECK-NEXT: [[I3:%.*]] = call noalias ptr @malloc(i64 4) 36; CHECK-NEXT: store ptr [[I3]], ptr @_ZL3g_i, align 8 37; CHECK-NEXT: [[I5:%.*]] = call i32 @puts(ptr @.str) 38; CHECK-NEXT: br label [[BB8:%.*]] 39; CHECK: bb6: 40; CHECK-NEXT: [[I7:%.*]] = call i32 @puts(ptr @.str.1) 41; CHECK-NEXT: br label [[BB8]] 42; CHECK: bb8: 43; CHECK-NEXT: ret void 44; 45bb: 46 %i = load ptr, ptr @_ZL3g_i, align 8 47 %i1 = load ptr, ptr @_ZL3g_j, align 8 48 %cmp = icmp eq ptr %i, %i1 49 br i1 %cmp, label %bb2, label %bb6 50 51bb2: ; preds = %bb 52 %i3 = call noalias ptr @malloc(i64 4) 53 store ptr %i3, ptr @_ZL3g_i, align 8 54 %i5 = call i32 @puts(ptr @.str) 55 br label %bb8 56 57bb6: ; preds = %bb 58 %i7 = call i32 @puts(ptr @.str.1) 59 br label %bb8 60 61bb8: ; preds = %bb6, %bb2 62 ret void 63} 64 65declare dso_local noalias ptr @malloc(i64) 66 67declare dso_local i32 @puts(ptr nocapture readonly) 68