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; REQUIRES: x86-registered-target
; RUN: llc -mtriple x86_64-apple-darwin %s -pass-remarks-analysis='size-info'\
; RUN: -pass-remarks-output=%t.yaml -o /dev/null < %s 2> %t; \
; RUN: cat %t %t.yaml | FileCheck %s
; Make sure that machine-level size remarks work.
; Test the following:
; - When we create a MachineFunction (e.g, during instruction selection), it
; has a size of 0.
; - The initial size of the function after filling it is positive.
; - After that, we can increase or decrease the size of the function.
; - ... The final size must be positive.
; - ... The delta can be negative or positive.
; CHECK: remark: <unknown>:0:0: X86 DAG->DAG Instruction Selection: Function:
; CHECK-SAME: main: MI Instruction count changed from 0
; CHECK-SAME: to [[INIT:[1-9][0-9]*]]; Delta: [[INIT]]
; CHECK-NEXT: remark: <unknown>:0:0: Register Coalescer: Function: main:
; CHECK-SAME: MI Instruction count changed from [[INIT]] to
; CHECK-SAME: [[FINAL:[1-9][0-9]*]];
; CHECK-SAME: Delta: [[DELTA:-?[1-9][0-9]*]]
; CHECK-NEXT: --- !Analysis
; CHECK-NEXT: Pass: size-info
; CHECK-NEXT: Name: FunctionMISizeChange
; CHECK-NEXT: Function: main
; CHECK-NEXT: Args:
; CHECK-NEXT: - Pass: 'X86 DAG->DAG Instruction Selection'
; CHECK-NEXT: - String: ': Function: '
; CHECK-NEXT: - Function: main
; CHECK-NEXT: - String: ': '
; CHECK-NEXT: - String: 'MI Instruction count changed from '
; CHECK-NEXT: - MIInstrsBefore: '0'
; CHECK-NEXT: - String: ' to '
; CHECK-NEXT: - MIInstrsAfter: '[[INIT]]'
; CHECK-NEXT: - String: '; Delta: '
; CHECK-NEXT: - Delta: '[[INIT]]'
; CHECK-DAG: --- !Analysis
; CHECK-NEXT: Pass: size-info
; CHECK-NEXT: Name: FunctionMISizeChange
; CHECK-NEXT: Function: main
; CHECK-NEXT: Args:
; CHECK-NEXT: - Pass: Register Coalescer
; CHECK-NEXT: - String: ': Function: '
; CHECK-NEXT: - Function: main
; CHECK-NEXT: - String: ': '
; CHECK-NEXT: - String: 'MI Instruction count changed from '
; CHECK-NEXT: - MIInstrsBefore: '[[INIT]]'
; CHECK-NEXT: - String: ' to '
; CHECK-NEXT: - MIInstrsAfter: '[[FINAL]]'
; CHECK-NEXT: - String: '; Delta: '
; CHECK-NEXT: - Delta: '[[DELTA]]'
define i32 @main() #0 {
entry:
%retval = alloca i32, align 4
store i32 0, ptr %retval, align 4
ret i32 0
}
attributes #0 = { noinline nounwind optnone ssp uwtable }
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