1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=globalopt -S < %s | FileCheck %s 3 4@g = internal global ptr null, align 8 5 6define signext i32 @f() local_unnamed_addr { 7; CHECK-LABEL: @f( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr @g.body, i8 0, i64 4, i1 false) 10; CHECK-NEXT: store i16 -1, ptr @g.body, align 2 11; CHECK-NEXT: ret i32 0 12; 13entry: 14 %call = call ptr @calloc(i64 1, i64 4) 15 store ptr %call, ptr @g, align 8 16 store i16 -1, ptr %call 17 ret i32 0 18} 19 20define signext i32 @main() { 21; CHECK-LABEL: @main( 22; CHECK-NEXT: entry: 23; CHECK-NEXT: [[CALL:%.*]] = call signext i32 @f() 24; CHECK-NEXT: call void @f1() 25; CHECK-NEXT: store i32 1, ptr @g.body, align 4 26; CHECK-NEXT: call void @f1() 27; CHECK-NEXT: store i8 2, ptr @g.body, align 4 28; CHECK-NEXT: call void @f1() 29; CHECK-NEXT: [[RES:%.*]] = load i32, ptr @g.body, align 4 30; CHECK-NEXT: ret i32 [[RES]] 31; 32entry: 33 %call = call signext i32 @f() 34 call void @f1() 35 %v0 = load ptr, ptr @g, align 8 36 store i32 1, ptr %v0, align 4 37 call void @f1() 38 %v1 = load ptr, ptr @g, align 8 39 store i8 2, ptr %v1, align 4 40 call void @f1() 41 %v2 = load ptr, ptr @g, align 8 42 %res = load i32, ptr %v2, align 4 43 ret i32 %res 44} 45 46declare noalias align 16 ptr @calloc(i64, i64) allockind("alloc,zeroed") allocsize(0,1) 47declare void @f1() 48