File: pr11415.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.4-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,998,488 kB
  • sloc: cpp: 6,951,470; ansic: 1,486,052; asm: 913,550; python: 232,020; f90: 80,126; objc: 75,349; lisp: 37,276; pascal: 16,990; sh: 9,935; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,164; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (21 lines) | stat: -rw-r--r-- 607 bytes parent folder | download | duplicates (20) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: llc -mtriple=x86_64-pc-linux %s -o - -regalloc=fast -optimize-regalloc=0 | FileCheck %s

; We used to consider the early clobber in the second asm statement as
; defining %0 before it was read. This caused us to omit the
; movq	-8(%rsp), %rdx

; CHECK: 	#APP
; CHECK-NEXT:	#NO_APP
; CHECK-NEXT:	movq	%rcx, %rdx
; CHECK-NEXT:	#APP
; CHECK-NEXT:	#NO_APP
; CHECK-NEXT:	movq	%rcx, -8(%rsp)
; CHECK-NEXT:	movq	-8(%rsp), %rax
; CHECK-NEXT:	ret

define i64 @foo() {
entry:
  %0 = tail call i64 asm "", "={cx}"() nounwind
  %1 = tail call i64 asm "", "=&r,0,r,~{rax}"(i64 %0, i64 %0) nounwind
  ret i64 %1
}