| Chris Lattner | 0037bfa | 2009-11-01 18:57:49 +0000 | [diff] [blame^] | 1 | // RUN: %llvmgxx %s -O2 -S -o - | FileCheck %s |
| 2 | |||||
| 3 | // This test verifies that we get expected codegen out of the -O2 optimization | ||||
| 4 | // level from the full optimizer. | ||||
| 5 | |||||
| 6 | |||||
| 7 | |||||
| 8 | // Verify that ipsccp is running and can eliminate globals. | ||||
| 9 | static int test1g = 42; | ||||
| 10 | void test1f1() { | ||||
| 11 | if (test1g == 0) test1g = 0; | ||||
| 12 | } | ||||
| 13 | int test1f2() { | ||||
| 14 | return test1g; | ||||
| 15 | } | ||||
| 16 | |||||
| 17 | // CHECK: @_Z7test1f2v() | ||||
| 18 | // CHECK: entry: | ||||
| 19 | // CHECK-NEXT: ret i32 42 | ||||