File: optimization-remark-new-pm.c

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (20 lines) | stat: -rw-r--r-- 1,019 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// Verify that remarks for the inliner appear. The remarks under the new PM will
// be slightly different than those emitted by the legacy PM. The new PM inliner
// also doesnot appear to be added at O0, so we test at O1.
// RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O1 -fexperimental-new-pass-manager -emit-llvm-only -verify
// RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O1 -fexperimental-new-pass-manager -emit-llvm-only -debug-info-kind=line-tables-only -verify

int foo(int x, int y) __attribute__((always_inline));
int foo(int x, int y) { return x + y; }

float foz(int x, int y) __attribute__((noinline));
float foz(int x, int y) { return x * y; }

// The negative diagnostics are emitted twice because the inliner runs
// twice.
//
int bar(int j) {
  // expected-remark@+2 {{foz not inlined into bar because it should never be inlined (cost=never)}}
  // expected-remark@+1 {{foo inlined into bar}}
  return foo(j, j - 2) * foz(j - 2, j);
}