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 -mtriple=i686-- | FileCheck %s 7 8@GLOBAL = external global i32 9 10define i32 @test(i32* %P1, i32* %P2, i32* %P3) nounwind { 11; CHECK-LABEL: test: 12entry: 13 %L = load i32, i32* @GLOBAL 14 store i32 12, i32* %P2 15 %Y = load i32, i32* %P3 16 %Z = sub i32 %Y, %L 17 ret i32 %Z 18; CHECK-NOT: {{sub.*GLOBAL}} 19} 20 21