; RUN: llc < %s -march=x86-64 | 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, %rbx ; 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 }