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Add a test for the recent regression.

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llvm-svn: 133009
This commit is contained in:
Rafael Espindola 2011-06-14 20:38:50 +00:00
parent fadc05bee8
commit 4e8b511063
1 changed files with 19 additions and 0 deletions
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19
test/CodeGen/X86/undef-label.ll Normal file
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; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
; This is a case where we would incorrectly conclude that LBB0_1 could only
; be reached via fall through and would therefore omit the label.
; CHECK: jne .LBB0_1
; CHECK-NEXT: jnp .LBB0_3
; CHECK-NEXT: .LBB0_1:
define void @xyz() {
entry:
br i1 fcmp oeq (double fsub (double undef, double undef), double 0.000000e+00), label %bar, label %foo
foo:
br i1 fcmp ogt (double fdiv (double fsub (double fmul (double undef, double undef), double fsub (double undef, double undef)), double fmul (double undef, double undef)), double 1.0), label %foo, label %bar
bar:
ret void
}