File: 2007-01-15-AsmDialect.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (26 lines) | stat: -rw-r--r-- 992 bytes parent folder | download | duplicates (9)
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
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu | FileCheck %s

define i32 @foo() nounwind {
entry:
; CHECK: cntlzw 3, 3
	%retval = alloca i32, align 4		; <i32*> [#uses=2]
	%temp = alloca i32, align 4		; <i32*> [#uses=2]
	%ctz_x = alloca i32, align 4		; <i32*> [#uses=3]
	%ctz_c = alloca i32, align 4		; <i32*> [#uses=2]
	store i32 61440, i32* %ctz_x
	%tmp = load i32, i32* %ctz_x		; <i32> [#uses=1]
	%tmp1 = sub i32 0, %tmp		; <i32> [#uses=1]
	%tmp2 = load i32, i32* %ctz_x		; <i32> [#uses=1]
	%tmp3 = and i32 %tmp1, %tmp2		; <i32> [#uses=1]
	%tmp4 = call i32 asm "$(cntlz$|cntlzw$) $0,$1", "=r,r,~{dirflag},~{fpsr},~{flags}"( i32 %tmp3 )		; <i32> [#uses=1]
	store i32 %tmp4, i32* %ctz_c
	%tmp5 = load i32, i32* %ctz_c		; <i32> [#uses=1]
	store i32 %tmp5, i32* %temp
	%tmp6 = load i32, i32* %temp		; <i32> [#uses=1]
	store i32 %tmp6, i32* %retval
	br label %return

return:		; preds = %entry
	%retval2 = load i32, i32* %retval		; <i32> [#uses=1]
	ret i32 %retval2
}