1; REQUIRES: x86-registered-target 2; RUN: llc -mtriple x86_64-apple-darwin %s -pass-remarks-analysis='size-info'\ 3; RUN: -pass-remarks-output=%t.yaml -o /dev/null < %s 2> %t; \ 4; RUN: cat %t %t.yaml | FileCheck %s 5 6; Make sure that machine-level size remarks work. 7; Test the following: 8; - When we create a MachineFunction (e.g, during instruction selection), it 9; has a size of 0. 10; - The initial size of the function after filling it is positive. 11; - After that, we can increase or decrease the size of the function. 12; - ... The final size must be positive. 13; - ... The delta can be negative or positive. 14 15; CHECK: remark: <unknown>:0:0: X86 DAG->DAG Instruction Selection: Function: 16; CHECK-SAME: main: MI Instruction count changed from 0 17; CHECK-SAME: to [[INIT:[1-9][0-9]*]]; Delta: [[INIT]] 18; CHECK-NEXT: remark: <unknown>:0:0: Register Coalescer: Function: main: 19; CHECK-SAME: MI Instruction count changed from [[INIT]] to 20; CHECK-SAME: [[FINAL:[1-9][0-9]*]]; 21; CHECK-SAME: Delta: [[DELTA:-?[1-9][0-9]*]] 22; CHECK-NEXT: --- !Analysis 23; CHECK-NEXT: Pass: size-info 24; CHECK-NEXT: Name: FunctionMISizeChange 25; CHECK-NEXT: Function: main 26; CHECK-NEXT: Args: 27; CHECK-NEXT: - Pass: 'X86 DAG->DAG Instruction Selection' 28; CHECK-NEXT: - String: ': Function: ' 29; CHECK-NEXT: - Function: main 30; CHECK-NEXT: - String: ': ' 31; CHECK-NEXT: - String: 'MI Instruction count changed from ' 32; CHECK-NEXT: - MIInstrsBefore: '0' 33; CHECK-NEXT: - String: ' to ' 34; CHECK-NEXT: - MIInstrsAfter: '[[INIT]]' 35; CHECK-NEXT: - String: '; Delta: ' 36; CHECK-NEXT: - Delta: '[[INIT]]' 37; CHECK-DAG: --- !Analysis 38; CHECK-NEXT: Pass: size-info 39; CHECK-NEXT: Name: FunctionMISizeChange 40; CHECK-NEXT: Function: main 41; CHECK-NEXT: Args: 42; CHECK-NEXT: - Pass: Register Coalescer 43; CHECK-NEXT: - String: ': Function: ' 44; CHECK-NEXT: - Function: main 45; CHECK-NEXT: - String: ': ' 46; CHECK-NEXT: - String: 'MI Instruction count changed from ' 47; CHECK-NEXT: - MIInstrsBefore: '[[INIT]]' 48; CHECK-NEXT: - String: ' to ' 49; CHECK-NEXT: - MIInstrsAfter: '[[FINAL]]' 50; CHECK-NEXT: - String: '; Delta: ' 51; CHECK-NEXT: - Delta: '[[DELTA]]' 52define i32 @main() #0 { 53entry: 54 %retval = alloca i32, align 4 55 store i32 0, ptr %retval, align 4 56 ret i32 0 57} 58 59attributes #0 = { noinline nounwind optnone ssp uwtable } 60