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.
5
6; RUN: llc < %s -march=x86 | not grep sub.*GLOBAL
7
8@GLOBAL = external global i32           ; <i32*> [#uses=1]
9
10define i32 @test(i32* %P1, i32* %P2, i32* %P3) nounwind {
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]
15        ret i32 %Z
16}
17
18