xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/2008-01-06-BitCastAttributes.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Ignore stderr, we expect warnings there
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine 2> /dev/null -S | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: bitcast
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @a() {
7*9880d681SAndroid Build Coastguard Worker  ret void
8*9880d681SAndroid Build Coastguard Worker}
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine signext i32 @b(i32* inreg  %x)   {
11*9880d681SAndroid Build Coastguard Worker  ret i32 0
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerdefine void @c(...) {
15*9880d681SAndroid Build Coastguard Worker  ret void
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerdefine void @g(i32* %y) {
19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @g(
20*9880d681SAndroid Build Coastguard Worker; CHECK: call i64 bitcast (i32 (i32*)* @b to i64 (i32)*)(i32 0)
21*9880d681SAndroid Build Coastguard Worker	%x = call i64 bitcast (i32 (i32*)* @b to i64 (i32)*)( i32 0 )		; <i64> [#uses=0]
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker; The rest should not have bitcasts remaining
24*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: bitcast
25*9880d681SAndroid Build Coastguard Worker  call void bitcast (void ()* @a to void (i32*)*)( i32* noalias  %y )
26*9880d681SAndroid Build Coastguard Worker  call <2 x i32> bitcast (i32 (i32*)* @b to <2 x i32> (i32*)*)( i32* inreg  null )		; <<2 x i32>>:1 [#uses=0]
27*9880d681SAndroid Build Coastguard Worker  call void bitcast (void (...)* @c to void (i32)*)( i32 0 )
28*9880d681SAndroid Build Coastguard Worker  call void bitcast (void (...)* @c to void (i32)*)( i32 zeroext  0 )
29*9880d681SAndroid Build Coastguard Worker  ret void
30*9880d681SAndroid Build Coastguard Worker}
31