xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/pr25745.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -instcombine < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Checking for a crash
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdeclare void @use.i1(i1 %val)
6*9880d681SAndroid Build Coastguard Workerdeclare void @use.i64(i64 %val)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine i64 @f(i32 %x) {
9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f(
10*9880d681SAndroid Build Coastguard Worker entry:
11*9880d681SAndroid Build Coastguard Worker  %x.wide = sext i32 %x to i64
12*9880d681SAndroid Build Coastguard Worker  %minus.x = sub i32 0, %x
13*9880d681SAndroid Build Coastguard Worker  %minus.x.wide = sext i32 %minus.x to i64
14*9880d681SAndroid Build Coastguard Worker  %c = icmp slt i32 %x, 0
15*9880d681SAndroid Build Coastguard Worker  %val = select i1 %c, i64 %x.wide, i64 %minus.x.wide
16*9880d681SAndroid Build Coastguard Worker  call void @use.i1(i1 %c)
17*9880d681SAndroid Build Coastguard Worker  call void @use.i64(i64 %x.wide)
18*9880d681SAndroid Build Coastguard Worker  ret i64 %val
19*9880d681SAndroid Build Coastguard Worker; CHECK: ret i64 %val
20*9880d681SAndroid Build Coastguard Worker}
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