File: 20090313-signext.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (27 lines) | stat: -rw-r--r-- 716 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
; 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)