Sanjoy Das | 5ce3272 | 2016-04-08 00:48:30 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -ipconstprop -S | FileCheck %s |
| 2 | |
| 3 | ; See PR26774 |
| 4 | |
| 5 | define i32 @baz() { |
| 6 | ret i32 10 |
| 7 | } |
| 8 | |
| 9 | ; We can const-prop @baz's return value *into* @foo, but cannot |
| 10 | ; constprop @foo's return value into bar. |
| 11 | |
| 12 | define linkonce_odr i32 @foo() { |
| 13 | ; CHECK-LABEL: @foo( |
| 14 | ; CHECK-NEXT: %val = call i32 @baz() |
| 15 | ; CHECK-NEXT: ret i32 10 |
| 16 | |
| 17 | %val = call i32 @baz() |
| 18 | ret i32 %val |
| 19 | } |
| 20 | |
| 21 | define i32 @bar() { |
| 22 | ; CHECK-LABEL: @bar( |
| 23 | ; CHECK-NEXT: %val = call i32 @foo() |
| 24 | ; CHECK-NEXT: ret i32 %val |
| 25 | |
| 26 | %val = call i32 @foo() |
| 27 | ret i32 %val |
| 28 | } |