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| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s -check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=X64
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s -check-prefix=X32
define zeroext i8 @foo() nounwind ssp {
; X86-LABEL: foo:
; X86: # %bb.0: # %entry
; X86-NEXT: subl $12, %esp
; X86-NEXT: calll bar
; X86-NEXT: movb %ah, %al
; X86-NEXT: addl $12, %esp
; X86-NEXT: retl
;
; X64-LABEL: foo:
; X64: # %bb.0: # %entry
; X64-NEXT: pushq %rax
; X64-NEXT: xorl %eax, %eax
; X64-NEXT: callq bar
; X64-NEXT: # kill: def $ax killed $ax def $eax
; X64-NEXT: shrl $8, %eax
; X64-NEXT: # kill: def $al killed $al killed $eax
; X64-NEXT: popq %rcx
; X64-NEXT: retq
;
; X32-LABEL: foo:
; X32: # %bb.0: # %entry
; X32-NEXT: pushq %rax
; X32-NEXT: xorl %eax, %eax
; X32-NEXT: callq bar
; X32-NEXT: # kill: def $ax killed $ax def $eax
; X32-NEXT: shrl $8, %eax
; X32-NEXT: # kill: def $al killed $al killed $eax
; X32-NEXT: popq %rcx
; X32-NEXT: retq
entry:
%0 = tail call zeroext i16 (...) @bar() nounwind
%1 = lshr i16 %0, 8
%2 = trunc i16 %1 to i8
ret i8 %2
}
declare zeroext i16 @bar(...)
|