| ; This testcase was distilled from 132.ijpeg. Bsaically we cannot fold the |
| ; load into the sub instruction here as it induces a cycle in the dag, which |
| ; is invalid code (there is no correct way to order the instruction). Check |
| ; that we do not fold the load into the sub. |
| |
| ; RUN: llc < %s -mtriple=i686-- | FileCheck %s |
| |
| @GLOBAL = external dso_local global i32 |
| |
| define i32 @test(ptr %P1, ptr %P2, ptr %P3) nounwind { |
| ; CHECK-LABEL: test: |
| entry: |
| %L = load i32, ptr @GLOBAL |
| store i32 12, ptr %P2 |
| %Y = load i32, ptr %P3 |
| %Z = sub i32 %Y, %L |
| ret i32 %Z |
| ; CHECK-NOT: {{sub.*GLOBAL}} |
| } |
| |
