| ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s |
| ; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s |
| |
| ; The comparison uses the pre-inc value, which could lead LSR to |
| ; try to compute -INT64_MIN. |
| |
| ; CHECK: movabsq $-9223372036854775808, %rax |
| ; CHECK: cmpq %rax, |
| ; CHECK: sete %al |
| |
| declare i64 @bar() |
| |
| define i1 @foo() nounwind { |
| entry: |
| br label %for.cond.i |
| |
| for.cond.i: |
| %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.cond.i ] |
| %t = call i64 @bar() |
| %indvar.next = add i64 %indvar, 1 |
| %s = icmp ne i64 %indvar.next, %t |
| br i1 %s, label %for.cond.i, label %__ABContainsLabel.exit |
| |
| __ABContainsLabel.exit: |
| %cmp = icmp eq i64 %indvar, 9223372036854775807 |
| ret i1 %cmp |
| } |