xref: /llvm-project/llvm/test/Transforms/SCCP/PR16052.ll (revision 8ebb3eac02a926ffa4298c12834c57aefb2e8579)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
2; RUN: opt < %s -S -passes=ipsccp | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7define i64 @fn2() {
8; CHECK-LABEL: define {{[^@]+}}@fn2()
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[CONV:%.*]] = sext i32 undef to i64
11; CHECK-NEXT:    [[DIV:%.*]] = sdiv i64 8, [[CONV]]
12; CHECK-NEXT:    [[CALL2:%.*]] = call i64 @fn1(i64 [[DIV]])
13; CHECK-NEXT:    ret i64 [[CALL2]]
14;
15entry:
16  %conv = sext i32 undef to i64
17  %div = sdiv i64 8, %conv
18  %call2 = call i64 @fn1(i64 %div)
19  ret i64 %call2
20}
21
22define internal i64 @fn1(i64 %p1) {
23; CHECK-LABEL: define {{[^@]+}}@fn1
24; CHECK-SAME: (i64 [[P1:%.*]])
25; CHECK-NEXT:  entry:
26; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp ne i64 [[P1]], 0
27; CHECK-NEXT:    [[COND:%.*]] = select i1 [[TOBOOL]], i64 [[P1]], i64 [[P1]]
28; CHECK-NEXT:    ret i64 [[COND]]
29;
30entry:
31  %tobool = icmp ne i64 %p1, 0
32  %cond = select i1 %tobool, i64 %p1, i64 %p1
33  ret i64 %cond
34}
35