1 ; This testcase was distilled from 132.ijpeg. Bsaically we cannot fold the
2 ; load into the sub instruction here as it induces a cycle in the dag, which
3 ; is invalid code (there is no correct way to order the instruction). Check
4 ; that we do not fold the load into the sub.
6 ; RUN: llc < %s -march=x86 | not grep sub.*GLOBAL
8 @GLOBAL = external global i32 ; <i32*> [#uses=1]
10 define i32 @test(i32* %P1, i32* %P2, i32* %P3) {
11 %L = load i32* @GLOBAL ; <i32> [#uses=1]
12 store i32 12, i32* %P2
13 %Y = load i32* %P3 ; <i32> [#uses=1]
14 %Z = sub i32 %Y, %L ; <i32> [#uses=1]