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// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,REGULAR
// RUN: %clang_cc1 -std=c++2a -fsanitize=shift-base,shift-exponent -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,SANITIZED
// CHECK-LABEL: @_Z12lsh_overflow
int lsh_overflow(int a, int b) {
// SANITIZED: %[[RHS_INBOUNDS:.*]] = icmp ule i32 %[[RHS:.*]], 31
// SANITIZED-NEXT: br i1 %[[RHS_INBOUNDS]], label %[[VALID:.*]], label
// SANITIZED: call void @__ubsan_handle_shift_out_of_bounds
// No check for the LHS here.
// SANITIZED: [[VALID]]:
// SANITIZED-NEXT: shl i32 %
// SANITIZED-NEXT: ret i32
// Just ensure there's no nsw nuw flags here.
// REGULAR: shl i32 %
return a << b;
}
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