mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
2a5431e004
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96434 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
635 B
LLVM
27 lines
635 B
LLVM
; 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
|
|
}
|