| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature |
| ; RUN: opt -S -passes=globalopt -o - < %s | FileCheck %s |
| |
| ; No malloc promotion with non-null check. |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @_ZL3g_i = internal global ptr null, align 8 |
| @_ZL3g_j = global ptr null, align 8 |
| @.str = private unnamed_addr constant [2 x i8] c"0\00", align 1 |
| @.str.1 = private unnamed_addr constant [2 x i8] c"1\00", align 1 |
| |
| define dso_local i32 @main() { |
| ; CHECK-LABEL: define {{[^@]+}}@main() local_unnamed_addr { |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: store ptr null, ptr @_ZL3g_i, align 8 |
| ; CHECK-NEXT: call fastcc void @_ZL13PutsSomethingv() |
| ; CHECK-NEXT: ret i32 0 |
| ; |
| bb: |
| store ptr null, ptr @_ZL3g_i, align 8 |
| call void @_ZL13PutsSomethingv() |
| ret i32 0 |
| } |
| |
| define internal void @_ZL13PutsSomethingv() { |
| ; CHECK-LABEL: define {{[^@]+}}@_ZL13PutsSomethingv() unnamed_addr { |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: [[I:%.*]] = load ptr, ptr @_ZL3g_i, align 8 |
| ; CHECK-NEXT: [[I1:%.*]] = load ptr, ptr @_ZL3g_j, align 8 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[I]], [[I1]] |
| ; CHECK-NEXT: br i1 [[CMP]], label [[BB2:%.*]], label [[BB6:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[I3:%.*]] = call noalias ptr @malloc(i64 4) |
| ; CHECK-NEXT: store ptr [[I3]], ptr @_ZL3g_i, align 8 |
| ; CHECK-NEXT: [[I5:%.*]] = call i32 @puts(ptr @.str) |
| ; CHECK-NEXT: br label [[BB8:%.*]] |
| ; CHECK: bb6: |
| ; CHECK-NEXT: [[I7:%.*]] = call i32 @puts(ptr @.str.1) |
| ; CHECK-NEXT: br label [[BB8]] |
| ; CHECK: bb8: |
| ; CHECK-NEXT: ret void |
| ; |
| bb: |
| %i = load ptr, ptr @_ZL3g_i, align 8 |
| %i1 = load ptr, ptr @_ZL3g_j, align 8 |
| %cmp = icmp eq ptr %i, %i1 |
| br i1 %cmp, label %bb2, label %bb6 |
| |
| bb2: ; preds = %bb |
| %i3 = call noalias ptr @malloc(i64 4) |
| store ptr %i3, ptr @_ZL3g_i, align 8 |
| %i5 = call i32 @puts(ptr @.str) |
| br label %bb8 |
| |
| bb6: ; preds = %bb |
| %i7 = call i32 @puts(ptr @.str.1) |
| br label %bb8 |
| |
| bb8: ; preds = %bb6, %bb2 |
| ret void |
| } |
| |
| declare dso_local noalias ptr @malloc(i64) |
| |
| declare dso_local i32 @puts(ptr nocapture readonly) |