blob: 1f9f2c6240da13c99dd55ac3a03f0eecaedfd612 [file] [log] [blame]
; 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:
%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}}