File: 2009-03-09-APIntCrash.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-- 748 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 -march=x86-64
; PR3763
	%struct.__block_descriptor = type { i64, i64 }

define %struct.__block_descriptor @evUTCTime() nounwind {
entry:
	br i1 false, label %if.then, label %return

if.then:		; preds = %entry
	%srcval18 = load i128* null, align 8		; <i128> [#uses=1]
	%tmp15 = lshr i128 %srcval18, 64		; <i128> [#uses=1]
	%tmp9 = mul i128 %tmp15, 18446744073709551616000		; <i128> [#uses=1]
	br label %return

return:		; preds = %if.then, %entry
	%retval.0 = phi i128 [ %tmp9, %if.then ], [ undef, %entry ]		; <i128> [#uses=0]
	ret %struct.__block_descriptor undef
}

define i128 @test(i128 %arg) nounwind {
	%A = shl i128 1, 92
	%B = sub i128 0, %A
	%C = mul i128 %arg, %B
	ret i128 %C  ;; should codegen to neg(shift)
}