llvm/test/CodeGen/ARM/pr25838.ll
Cong Hou 51a9d17bfc Fix PR25838.
This is a quick fix to PR25838. The issue comes from the restriction that we
cannot normalize probabilities containing both known and unknown ones. A patch
that removes this restriction is under the review now:

http://reviews.llvm.org/D15548



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255867 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-17 01:29:08 +00:00

35 lines
596 B
LLVM

; RUN: llc < %s
; PR25838
target triple = "armv7--linux-android"
%0 = type { i32, i32 }
define i32 @foo(%0* readonly) {
br i1 undef, label %12, label %2
; <label>:2
%3 = trunc i64 undef to i32
%4 = icmp eq i32 undef, 0
br i1 %4, label %5, label %9
; <label>:5
%6 = icmp slt i32 %3, 0
%7 = sub nsw i32 0, %3
%8 = select i1 %6, i32 %7, i32 %3
br label %12
; <label>:9
br i1 undef, label %12, label %10
; <label>:10
%11 = tail call i32 @bar(i32 undef)
unreachable
; <label>:12
%13 = phi i32 [ %8, %5 ], [ 0, %1 ], [ undef, %9 ]
ret i32 %13
}
declare i32 @bar(i32)