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
58
59
60
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
define i64 @testOptimizeLiAddToAddi(i64 %a) {
; CHECK-LABEL: testOptimizeLiAddToAddi:
; CHECK: addi 3, 3, 2444
; CHECK: bl callv
; CHECK: addi 3, 30, 234
; CHECK: bl call
; CHECK: blr
entry:
%cmp = icmp sgt i64 %a, 33
br i1 %cmp, label %if.then, label %if.end
if.then:
tail call void bitcast (void (...)* @callv to void ()*)()
br label %if.end
if.end:
%add.0 = phi i64 [ 234, %if.then ], [ 2444, %entry ]
%add2 = add nsw i64 %add.0, %a
%call = tail call i64 @call(i64 %add2)
ret i64 %call
}
define i64 @testThreePhiIncomings(i64 %a) {
; CHECK-LABEL: testThreePhiIncomings:
; CHECK: bl callv
; CHECK: addi 3, 30, 234
; CHECK: addi 3, 30, 2444
; CHECK: bl callv
; CHECK: addi 3, 30, 345
; CHECK: bl call
; CHECK: blr
entry:
%cmp = icmp slt i64 %a, 33
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void bitcast (void (...)* @callv to void ()*)()
br label %if.end4
if.else:
%cmp1 = icmp slt i64 %a, 55
br i1 %cmp1, label %if.then2, label %if.end4
if.then2:
tail call void bitcast (void (...)* @callv to void ()*)()
br label %if.end4
if.end4:
%add.0 = phi i64 [ 234, %if.then ], [ 345, %if.then2 ], [ 2444, %if.else ]
%add5 = add nsw i64 %add.0, %a
%call = tail call i64 @call(i64 %add5)
ret i64 %call
}
declare void @callv(...)
declare i64 @call(i64)
|