← Back to branch summary

~pali/+junk/llvm-toolchain-3.7

« back to all changes in this revision

Viewing changes to test/CodeGen/X86/2009-03-09-APIntCrash.ll

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
Import upstream version 3.7~+rc2

Show diffs side-by-side

added added

removed removed

Lines of Context:
test/CodeGen/X86/2009-03-09-APIntCrash.ll
 
1
; RUN: llc < %s -march=x86-64
 
2
; PR3763
 
3
        %struct.__block_descriptor = type { i64, i64 }
 
4
 
 
5
define %struct.__block_descriptor @evUTCTime() nounwind {
 
6
entry:
 
7
        br i1 false, label %if.then, label %return
 
8
 
 
9
if.then:                ; preds = %entry
 
10
        %srcval18 = load i128, i128* null, align 8              ; <i128> [#uses=1]
 
11
        %tmp15 = lshr i128 %srcval18, 64                ; <i128> [#uses=1]
 
12
        %tmp9 = mul i128 %tmp15, 18446744073709551616000                ; <i128> [#uses=1]
 
13
        br label %return
 
14
 
 
15
return:         ; preds = %if.then, %entry
 
16
        %retval.0 = phi i128 [ %tmp9, %if.then ], [ undef, %entry ]             ; <i128> [#uses=0]
 
17
        ret %struct.__block_descriptor undef
 
18
}
 
19
 
 
20
define i128 @test(i128 %arg) nounwind {
 
21
        %A = shl i128 1, 92
 
22
        %B = sub i128 0, %A
 
23
        %C = mul i128 %arg, %B
 
24
        ret i128 %C  ;; should codegen to neg(shift)
 
25
}