| ; 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 global i32 | |
| define i32 @test(i32* %P1, i32* %P2, i32* %P3) nounwind { | |
| ; CHECK-LABEL: test: | |
| entry: | |
| %L = load i32, i32* @GLOBAL | |
| store i32 12, i32* %P2 | |
| %Y = load i32, i32* %P3 | |
| %Z = sub i32 %Y, %L | |
| ret i32 %Z | |
| ; CHECK-NOT: {{sub.*GLOBAL}} | |
| } | |