llvm-project/llvm/test/CodeGen/X86/tail-call-casts.ll

28 lines
566 B
LLVM

; RUN: llc -mtriple=i686-unknown-linux-gnu -o - %s | FileCheck %s
declare void @g_bool(i1 zeroext)
define void @f_bool(i1 zeroext %x) {
entry:
tail call void @g_bool(i1 zeroext %x)
ret void
; Forwarding a bool in a tail call works.
; CHECK-LABEL: f_bool:
; CHECK-NOT: movz
; CHECK: jmp g_bool
}
declare void @g_float(float)
define void @f_i32(i32 %x) {
entry:
%0 = bitcast i32 %x to float
tail call void @g_float(float %0)
ret void
; Forwarding a bitcasted value works too.
; CHECK-LABEL: f_i32
; CHECK-NOT: mov
; CHECK: jmp g_float
}