File: isel-sink3.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (25 lines) | stat: -rw-r--r-- 853 bytes parent folder | download
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
; RUN: llvm-as < %s | llc | grep {addl.\$4, %ecx}
; RUN: llvm-as < %s | llc | not grep leal
; this should not sink %1 into bb1, that would increase reg pressure.

; rdar://6399178

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin7"

define i32 @bar(i32** %P) nounwind {
entry:
	%0 = load i32** %P, align 4		; <i32*> [#uses=2]
	%1 = getelementptr i32* %0, i32 1		; <i32*> [#uses=1]
	%2 = icmp ugt i32* %1, inttoptr (i64 1233 to i32*)		; <i1> [#uses=1]
	br i1 %2, label %bb1, label %bb

bb:		; preds = %entry
	store i32* inttoptr (i64 123 to i32*), i32** %P, align 4
	br label %bb1

bb1:		; preds = %entry, %bb
	%3 = getelementptr i32* %1, i32 1		; <i32*> [#uses=1]
	%4 = load i32* %3, align 4		; <i32> [#uses=1]
	ret i32 %4
}