1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals 2; RUN: opt -S -passes=globalopt -o - < %s | FileCheck %s 3 4@g = internal global ptr null, align 8 5 6;. 7; CHECK: @[[G_INIT:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global i1 false 8;. 9define internal i32 @f1() { 10; CHECK-LABEL: define {{[^@]+}}@f1() unnamed_addr { 11; CHECK-NEXT: [[G_INIT_VAL:%.*]] = load i1, ptr @g.init, align 1 12; CHECK-NEXT: call fastcc void @f2() 13; CHECK-NEXT: [[NOTINIT:%.*]] = xor i1 [[G_INIT_VAL]], true 14; CHECK-NEXT: br i1 [[NOTINIT]], label [[TMP1:%.*]], label [[TMP2:%.*]] 15; CHECK: 1: 16; CHECK-NEXT: br label [[TMP3:%.*]] 17; CHECK: 2: 18; CHECK-NEXT: br label [[TMP3]] 19; CHECK: 3: 20; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ -1, [[TMP1]] ], [ 1, [[TMP2]] ] 21; CHECK-NEXT: ret i32 [[TMP4]] 22; 23 %1 = load ptr, ptr @g, align 8 24 call void @f2(); 25 %2 = icmp eq ptr %1, null 26 br i1 %2, label %3, label %4 27 283: ; preds = %0 29 br label %5 30 314: ; preds = %0 32 br label %5 33 345: ; preds = %3, %4 35 %6 = phi i32 [ -1, %3 ], [ 1, %4 ] 36 ret i32 %6 37} 38 39define internal void @f2() { 40; CHECK-LABEL: define {{[^@]+}}@f2() unnamed_addr { 41; CHECK-NEXT: store i1 true, ptr @g.init, align 1 42; CHECK-NEXT: ret void 43; 44 %1 = call noalias ptr @malloc(i64 4) 45 store ptr %1, ptr @g, align 8 46 ret void 47} 48 49define dso_local i32 @main() { 50; CHECK-LABEL: define {{[^@]+}}@main() local_unnamed_addr { 51; CHECK-NEXT: store i1 false, ptr @g.init, align 1 52; CHECK-NEXT: [[TMP1:%.*]] = call fastcc i32 @f1() 53; CHECK-NEXT: ret i32 [[TMP1]] 54; 55 store ptr null, ptr @g, align 8 56 %1 = call i32 @f1() 57 ret i32 %1 58} 59 60declare dso_local noalias ptr @malloc(i64) allockind("alloc,uninitialized") allocsize(0) 61