1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -S -passes=gvn < %s | FileCheck %s 3 4; Make sure nsw/nuw flags are dropped. 5 6define i32 @pr82884(i32 %x) { 7; CHECK-LABEL: define i32 @pr82884( 8; CHECK-SAME: i32 [[X:%.*]]) { 9; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[X]], [[X]] 10; CHECK-NEXT: call void @use(i32 [[MUL]]) 11; CHECK-NEXT: [[MUL2:%.*]] = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 [[X]], i32 [[X]]) 12; CHECK-NEXT: ret i32 [[MUL]] 13; 14 %mul = mul nsw nuw i32 %x, %x 15 call void @use(i32 %mul) 16 %mul2 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %x, i32 %x) 17 %ret = extractvalue { i32, i1 } %mul2, 0 18 ret i32 %ret 19} 20 21declare void @use(i32) 22