xref: /llvm-project/llvm/test/CodeGen/PowerPC/eliminate-compare-of-copy.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2)
1; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
2; RUN:   -mcpu=pwr8 -ppc-asm-full-reg-names < %s | FileCheck %s
3
4define dso_local signext i32 @func(i32 zeroext %x, i32 zeroext %y) local_unnamed_addr {
5; CHECK-LABEL: func
6; CHECK: or. {{r[0-9]+}}, r4, r3
7; CHECK-NOT: cmplwi
8; CHECK: blr
9entry:
10  %or = or i32 %y, %x
11  %tobool = icmp eq i32 %or, 0
12  br i1 %tobool, label %if.else, label %if.then
13
14if.then:                                          ; preds = %entry
15  %call = tail call signext i32 @f1()
16  br label %return
17
18if.else:                                          ; preds = %entry
19  %call1 = tail call signext i32 @f2()
20  br label %return
21
22return:                                           ; preds = %if.else, %if.then
23  %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
24  ret i32 %retval.0
25}
26
27declare signext i32 @f1(...) local_unnamed_addr
28
29declare signext i32 @f2(...) local_unnamed_addr
30