1 ; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"
5 ; GVN shouldn't PRE the load around the loop backedge because it's
6 ; not actually redundant around the loop backedge, despite appearances
7 ; if phi-translation is ignored.
9 ; CHECK: define void @test0(i8* %begin)
11 ; CHECK: %l0 = load i8, i8* %phi
12 ; CHECK: call void @bar(i8 %l0)
13 ; CHECK: %l1 = load i8, i8* %phi
14 define void @test0(i8* %begin) {
19 %phi = phi i8* [ %begin, %entry ], [ %next, %loop ]
20 %l0 = load i8, i8* %phi
21 call void @bar(i8 %l0)
22 %l1 = load i8, i8* %phi
23 %next = getelementptr inbounds i8, i8* %phi, i8 %l1