llvm-project/llvm/test/CodeGen/X86/20090313-signext.ll

28 lines
716 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- -relocation-model=pic | FileCheck %s
@x = common global i16 0
define signext i16 @f() nounwind {
; CHECK-LABEL: f:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: callq h@PLT
; CHECK-NEXT: movswl %ax, %edi
; CHECK-NEXT: callq g@PLT
; CHECK-NEXT: movq x@{{.*}}(%rip), %rax
; CHECK-NEXT: movzwl (%rax), %eax
; CHECK-NEXT: popq %rcx
; CHECK-NEXT: retq
entry:
%0 = tail call signext i16 @h() nounwind
%1 = sext i16 %0 to i32
tail call void @g(i32 %1) nounwind
%2 = load i16, i16* @x, align 2
ret i16 %2
}
declare signext i16 @h()
declare void @g(i32)