Files
clang-p2996/llvm/test/Transforms/CodeGenPrepare/X86/icmp-swap-loop.ll
Nikita Popov b7bd3a734c [CGP] Fix infinite loop in icmp operand swapping
Don't swap the operands if they're the same. Fixes the issue reported
at https://reviews.llvm.org/D152541#4427017.
2023-06-16 15:50:12 +02:00

15 lines
484 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -mtriple=x86_64-- -codegenprepare < %s | FileCheck %s
define i1 @test(i32 %arg) {
; CHECK-LABEL: define i1 @test
; CHECK-SAME: (i32 [[ARG:%.*]]) {
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[ARG]], [[ARG]]
; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[ARG]], [[ARG]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%cmp = icmp ne i32 %arg, %arg
%sub = sub i32 %arg, %arg
ret i1 %cmp
}