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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux < %s | FileCheck %s -check-prefix=PPC64LE
; This tests interaction between MergeICmp and ExpandMemCmp.
%"struct.std::pair" = type { i32, i32 }
define zeroext i1 @opeq1(
; PPC64LE-LABEL: opeq1:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: lwz 5, 0(3)
; PPC64LE-NEXT: lwz 6, 0(4)
; PPC64LE-NEXT: cmplw 5, 6
; PPC64LE-NEXT: bne 0, .LBB0_2
; PPC64LE-NEXT: # %bb.1: # %land.rhs.i
; PPC64LE-NEXT: lwz 3, 4(3)
; PPC64LE-NEXT: lwz 4, 4(4)
; PPC64LE-NEXT: cmpw 3, 4
; PPC64LE-NEXT: b .LBB0_3
; PPC64LE-NEXT: .LBB0_2:
; PPC64LE-NEXT: crxor 2, 2, 2
; PPC64LE-NEXT: .LBB0_3: # %opeq1.exit
; PPC64LE-NEXT: li 3, 0
; PPC64LE-NEXT: li 4, 1
; PPC64LE-NEXT: isel 3, 4, 3, 2
; PPC64LE-NEXT: blr
%"struct.std::pair"* nocapture readonly dereferenceable(8) %a,
%"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
entry:
%first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0
%0 = load i32, i32* %first.i, align 4
%first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0
%1 = load i32, i32* %first1.i, align 4
%cmp.i = icmp eq i32 %0, %1
br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
land.rhs.i:
%second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1
%2 = load i32, i32* %second.i, align 4
%second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1
%3 = load i32, i32* %second2.i, align 4
%cmp3.i = icmp eq i32 %2, %3
br label %opeq1.exit
opeq1.exit:
%4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
ret i1 %4
}
|
