xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/tail-call-casts.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=i686-unknown-linux-gnu -o - %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare void @g_bool(i1 zeroext)
4*9880d681SAndroid Build Coastguard Workerdefine void @f_bool(i1 zeroext %x) {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker  tail call void @g_bool(i1 zeroext %x)
7*9880d681SAndroid Build Coastguard Worker  ret void
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; Forwarding a bool in a tail call works.
10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f_bool:
11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:   movz
12*9880d681SAndroid Build Coastguard Worker; CHECK:       jmp g_bool
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdeclare void @g_float(float)
17*9880d681SAndroid Build Coastguard Workerdefine void @f_i32(i32 %x) {
18*9880d681SAndroid Build Coastguard Workerentry:
19*9880d681SAndroid Build Coastguard Worker  %0 = bitcast i32 %x to float
20*9880d681SAndroid Build Coastguard Worker  tail call void @g_float(float %0)
21*9880d681SAndroid Build Coastguard Worker  ret void
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker; Forwarding a bitcasted value works too.
24*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f_i32
25*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:   mov
26*9880d681SAndroid Build Coastguard Worker; CHECK:       jmp g_float
27*9880d681SAndroid Build Coastguard Worker}
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