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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=simplifycfg -hoist-common-insts=true -S | FileCheck %s
; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -hoist-common-insts=true -S | FileCheck %s
define void @foo(i1 %C, ptr %P) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: common.ret:
; CHECK-NEXT: store i32 7, ptr [[P:%.*]], align 4
; CHECK-NEXT: ret void
;
br i1 %C, label %T, label %F
T: ; preds = %0
store i32 7, ptr %P
ret void
F: ; preds = %0
store i32 7, ptr %P
ret void
}
define float @PR39535min(float %x) {
; CHECK-LABEL: @PR39535min(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOBOOL:%.*]] = fcmp une float [[X:%.*]], 0.000000e+00
; CHECK-NEXT: [[DOTX:%.*]] = select fast i1 [[TOBOOL]], float 0.000000e+00, float [[X]]
; CHECK-NEXT: ret float [[DOTX]]
;
entry:
%tobool = fcmp une float %x, 0.0
br i1 %tobool, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi fast float [ 0.0, %cond.true ], [ %x, %cond.false ]
ret float %cond
}
|
