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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -passes=newgvn -S < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
target triple = "x86_64-unknown-linux-gnu"
define void @f0(i1 %alwaysFalse, i64 %val, ptr %loc) {
; CHECK-LABEL: define void @f0(
; CHECK-SAME: i1 [[ALWAYSFALSE:%.*]], i64 [[VAL:%.*]], ptr [[LOC:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: store i64 [[VAL]], ptr [[LOC]], align 8
; CHECK-NEXT: br i1 [[ALWAYSFALSE]], label [[NEVERTAKEN:%.*]], label [[ALWAYSTAKEN:%.*]]
; CHECK: neverTaken:
; CHECK-NEXT: [[PTR:%.*]] = load ptr addrspace(4), ptr [[LOC]], align 8
; CHECK-NEXT: store i8 5, ptr addrspace(4) [[PTR]], align 1
; CHECK-NEXT: ret void
; CHECK: alwaysTaken:
; CHECK-NEXT: ret void
;
entry:
store i64 %val, ptr %loc
br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken
neverTaken:
%ptr = load ptr addrspace(4), ptr %loc
store i8 5, ptr addrspace(4) %ptr
ret void
alwaysTaken:
ret void
}
define i64 @f1(i1 %alwaysFalse, ptr addrspace(4) %val, ptr %loc) {
; CHECK-LABEL: define i64 @f1(
; CHECK-SAME: i1 [[ALWAYSFALSE:%.*]], ptr addrspace(4) [[VAL:%.*]], ptr [[LOC:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: store ptr addrspace(4) [[VAL]], ptr [[LOC]], align 8
; CHECK-NEXT: br i1 [[ALWAYSFALSE]], label [[NEVERTAKEN:%.*]], label [[ALWAYSTAKEN:%.*]]
; CHECK: neverTaken:
; CHECK-NEXT: [[INT:%.*]] = load i64, ptr [[LOC]], align 8
; CHECK-NEXT: ret i64 [[INT]]
; CHECK: alwaysTaken:
; CHECK-NEXT: ret i64 42
;
entry:
store ptr addrspace(4) %val, ptr %loc
br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken
neverTaken:
%int = load i64, ptr %loc
ret i64 %int
alwaysTaken:
ret i64 42
}
|
