1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=ipsccp -S %s | FileCheck %s
;Test for PR45185.
define void @spam(ptr %arg) {
; CHECK-LABEL: @spam(
; CHECK-NEXT: bb:
; CHECK-NEXT: call void @blam(i32 0, ptr nonnull [[ARG:%.*]])
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [4 x [24 x float]], ptr [[ARG]], i64 0, i64 1, i64 0
; CHECK-NEXT: call void @blam(i32 1, ptr nonnull [[TMP1]])
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [4 x [24 x float]], ptr [[ARG]], i64 0, i64 2, i64 0
; CHECK-NEXT: call void @blam(i32 2, ptr nonnull [[TMP2]])
; CHECK-NEXT: ret void
;
bb:
call void @blam(i32 0, ptr nonnull %arg)
%tmp1 = getelementptr inbounds [4 x [24 x float]], ptr %arg, i64 0, i64 1, i64 0
call void @blam(i32 1, ptr nonnull %tmp1)
%tmp2 = getelementptr inbounds [4 x [24 x float]], ptr %arg, i64 0, i64 2, i64 0
call void @blam(i32 2, ptr nonnull %tmp2)
ret void
}
; Make sure we do not incorrectly eliminate the checks in @blam.
define internal void @blam(i32 %arg, ptr nocapture %arg1) {
; CHECK-LABEL: define {{.*}} @blam(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = icmp eq i32 [[ARG:%.*]], 0
; CHECK-NEXT: br i1 [[TMP]], label [[BB2:%.*]], label [[BB3:%.*]]
; CHECK: bb2:
; CHECK-NEXT: br label [[BB5:%.*]]
; CHECK: bb3:
; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[ARG]], 2
; CHECK-NEXT: br i1 [[TMP4]], label [[BB5]], label [[BB6:%.*]]
; CHECK: bb5:
; CHECK-NEXT: ret void
; CHECK: bb6:
; CHECK-NEXT: ret void
;
bb:
%tmp = icmp eq i32 %arg, 0
br i1 %tmp, label %bb2, label %bb3
bb2: ; preds = %bb
br label %bb5
bb3: ; preds = %bb
%tmp4 = icmp eq i32 %arg, 2
br i1 %tmp4, label %bb5, label %bb6
bb5: ; preds = %bb3, %bb2
ret void
bb6: ; preds = %bb3
ret void
}
|
