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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -codegenprepare -cgp-optimize-phi-types=true %s -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
target triple = "i386-unknown-linux-gnu"
define float @convphi1(i32 *%s, i32 *%d, i32 %n) {
; CHECK-LABEL: @convphi1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[LS]], [[THEN]] ], [ [[LD]], [[ELSE]] ]
; CHECK-NEXT: [[B:%.*]] = bitcast i32 [[PHI]] to float
; CHECK-NEXT: ret float [[B]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load i32, i32* %s, align 4
br label %end
else:
%ld = load i32, i32* %d, align 4
br label %end
end:
%phi = phi i32 [ %ls, %then ], [ %ld, %else ]
%b = bitcast i32 %phi to float
ret float %b
}
|
