xref: /aosp_15_r20/external/llvm/test/Transforms/IPConstantProp/PR26044.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -S -ipsccp | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @fn2() {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  br label %if.end
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerfor.cond1:                                        ; preds = %if.end, %for.end
10*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %if.end, label %if.end
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %lbl, %for.cond1
13*9880d681SAndroid Build Coastguard Worker  %e.2 = phi i32* [ undef, %entry ], [ null, %for.cond1 ], [ null, %for.cond1 ]
14*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %e.2, align 4
15*9880d681SAndroid Build Coastguard Worker  %call = call i32 @fn1(i32 %0)
16*9880d681SAndroid Build Coastguard Worker  br label %for.cond1
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerdefine internal i32 @fn1(i32 %p1) {
20*9880d681SAndroid Build Coastguard Workerentry:
21*9880d681SAndroid Build Coastguard Worker  %tobool = icmp ne i32 %p1, 0
22*9880d681SAndroid Build Coastguard Worker  %cond = select i1 %tobool, i32 %p1, i32 %p1
23*9880d681SAndroid Build Coastguard Worker  ret i32 %cond
24*9880d681SAndroid Build Coastguard Worker}
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @fn2(
27*9880d681SAndroid Build Coastguard Worker; CHECK: call i32 @fn1(i32 undef)
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define internal i32 @fn1(
30*9880d681SAndroid Build Coastguard Worker; CHECK:%[[COND:.*]] = select i1 undef, i32 undef, i32 undef
31*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 %[[COND]]
32