llvm-project/llvm/test/Transforms/JumpThreading/pr15851_hang.ll

23 lines
482 B
LLVM

; RUN: opt -S -jump-threading < %s | FileCheck %s
; CHECK-LABEL: @f(
; CHECK-LABEL: entry
; CHECK: ret void
; CHECK-NOT: for.cond1
; CHECK-NOT: for.body
define void @f() {
entry:
ret void
for.cond1:
%i.025 = phi i32 [ %inc, %for.body ], [ %inc, %for.body ], [ 1, %for.cond1 ]
%cmp = icmp slt i32 %i.025, 2
br i1 %cmp, label %for.body, label %for.cond1
for.body:
%inc = add nsw i32 %i.025, 0
%a = icmp ugt i32 %inc, 2
br i1 %a, label %for.cond1, label %for.cond1
}