1; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s
2; RUN: llc < %s -mtriple=x86_64-pc-linux -addr-sink-using-gep=1 | FileCheck %s
3
4; Check that the CodeGenPrepare Pass
5; does not wrongly rewrite the address computed by Instruction %4
6; as [12 + Base:%this].
7
8; This test makes sure that:
9; - both the store and the first load instructions
10;   within basic block labeled 'if.then' are not removed.
11; - the store instruction stores a value at address [60 + %this]
12; - the first load instruction loads a value at address [12 + %this]
13
14%class.A = type { %struct.B }
15%struct.B = type { %class.C, %class.D, %class.C, %class.D }
16%class.C = type { float, float, float }
17%class.D = type { [3 x %class.C] }
18
19define linkonce_odr void @foo(%class.A* nocapture %this, i32 %BoolValue) nounwind uwtable {
20entry:
21  %cmp = icmp eq i32 %BoolValue, 0
22  %address1 = getelementptr inbounds %class.A, %class.A* %this, i64 0, i32 0, i32 3
23  %address2 = getelementptr inbounds %class.A, %class.A* %this, i64 0, i32 0, i32 1
24  br i1 %cmp, label %if.else, label %if.then
25
26if.then:                                         ; preds = %entry
27  %0 = getelementptr inbounds %class.D, %class.D* %address2, i64 0, i32 0, i64 0, i32 0
28  %1 = load float, float* %0, align 4
29  %2 = getelementptr inbounds float, float* %0, i64 3
30  %3 = load float, float* %2, align 4
31  %4 = getelementptr inbounds %class.D, %class.D* %address1, i64 0, i32 0, i64 0, i32 0
32  store float %1, float* %4, align 4
33  br label %if.end
34
35if.else:                                          ; preds = %entry
36  br label %if.end
37
38if.end:                                           ; preds = %if.then, %if.else, %entry
39  ret void
40}
41
42; CHECK-LABEL: foo:
43; CHECK: movss 12([[THIS:%[a-zA-Z0-9]+]]), [[REGISTER:%[a-zA-Z0-9]+]]
44; CHECK-NEXT: movss [[REGISTER]], 60([[THIS]])
45
46