File: change-compare-stride-trickiness-1.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 (26 lines) | stat: -rw-r--r-- 1,033 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
26
; RUN: llvm-as < %s | llc --x86-asm-syntax=att | grep {cmpq	\$8}
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-apple-darwin9"

; This is like change-compare-stride-trickiness-0.ll except the comparison
; happens after the relevant use, so the comparison stride can be
; easily changed.

define void @foo() nounwind {
entry:
	br label %loop

loop:
	%indvar = phi i32 [ 0, %entry ], [ %i.2.0.us1534, %loop ]		; <i32> [#uses=1]
	%i.2.0.us1534 = add i32 %indvar, 1		; <i32> [#uses=3]
	%tmp628.us1540 = shl i32 %i.2.0.us1534, 1		; <i32> [#uses=1]
	%tmp645646647.us1547 = sext i32 %tmp628.us1540 to i64		; <i64> [#uses=1]
	store i64 %tmp645646647.us1547, i64* null
	%tmp611.us1535 = icmp eq i32 %i.2.0.us1534, 4		; <i1> [#uses=2]
	%tmp623.us1538 = select i1 %tmp611.us1535, i32 6, i32 0		; <i32> [#uses=1]
	store i32 %tmp623.us1538, i32* null
	br i1 %tmp611.us1535, label %exit, label %loop

exit:
	ret void
}